diff --git a/.github/workflows/run-code-checks.yaml b/.github/workflows/run-code-checks.yaml
index 6298e1e..15e6967 100644
--- a/.github/workflows/run-code-checks.yaml
+++ b/.github/workflows/run-code-checks.yaml
@@ -13,14 +13,14 @@ jobs:
 
       - name: Build Docker image 🐳
         run: |
-          docker build -t virus-clade-utils .
+          docker build -t cladetime .
 
       - name: lint 🧹
         run: |
-          docker run --entrypoint /bin/bash virus-clade-utils \
+          docker run --entrypoint /bin/bash cladetime \
           -c "ruff check"
 
       - name: run unit tests 🧪
         run: |
-          docker run --entrypoint /bin/bash virus-clade-utils \
+          docker run --entrypoint /bin/bash cladetime \
           -c "pytest -k unit"
diff --git a/.github/workflows/run-integration-tests.yaml b/.github/workflows/run-integration-tests.yaml
index 1aae231..3b3b76e 100644
--- a/.github/workflows/run-integration-tests.yaml
+++ b/.github/workflows/run-integration-tests.yaml
@@ -15,9 +15,9 @@ jobs:
 
       - name: Build Docker image 🐳
         run: |
-          docker build -t virus-clade-utils .
+          docker build -t cladetime .
 
       - name: run integration tests 🧪
         run: |
-          docker run --entrypoint /bin/bash virus-clade-utils \
+          docker run --entrypoint /bin/bash cladetime \
           -c "pytest -k integration"
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 98afa91..3fc56c5 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 exclude: >
     (?x)(
-        ^src/virus_clade_utils/bin/|
-        ^src/virus_clade_utils/data/
+        ^src/cladetime/bin/|
+        ^src/cladetime/data/
     )
 repos:
 - repo: https://github.com/astral-sh/ruff-pre-commit
diff --git a/Dockerfile b/Dockerfile
index 849ba7b..97872a2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@
 FROM nextstrain/nextclade:3.8.2
 
 FROM python:3.12-slim-bookworm
-COPY --from=0 /usr/bin/nextclade /opt/src/virus_clade_utils/bin/
+COPY --from=0 /usr/bin/nextclade /opt/src/cladetime/bin/
 
 # create a user to run the app
 ARG USERNAME=docker-user
@@ -23,10 +23,10 @@ RUN chown -R docker-user:docker-user /opt/
 ENV PYTHONPATH "${PYTHONPATH}:/opt/"
 
 # Install the dataformat CLI tool
-WORKDIR /opt/src/virus_clade_utils/bin/
+WORKDIR /opt/src/cladetime/bin/
 ADD https://ftp.ncbi.nlm.nih.gov/pub/datasets/command-line/v2/linux-amd64/dataformat ./dataformat
 RUN chmod +x ./dataformat
-ENV PATH "${PATH}:/opt/src/virus_clade_utils/bin/"
+ENV PATH "${PATH}:/opt/src/cladetime/bin/"
 
 # Install Python dependencies
 WORKDIR /opt/
@@ -47,7 +47,7 @@ RUN uv pip install --system polars-lts-cpu --no-cache-dir
 
 USER $USERNAME
 
-COPY src/virus_clade_utils/ ./src/virus_clade_utils/
+COPY src/cladetime/ ./src/cladetime/
 COPY tests/ ./tests/
 
 ENTRYPOINT ["assign_clades"]
diff --git a/README.md b/README.md
index 0844149..927609b 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,13 @@
-# Virus Clade Utils
+# Cladetime
 
-Virus Clade Utils is a wrapper around existing tools for downloading and working with virus genome sequences:
+Cladetime is a wrapper around existing tools for downloading and working with virus genome sequences:
 
 * The [NCBI Datasets API](https://www.ncbi.nlm.nih.gov/datasets/docs/v2/reference-docs/rest-api/) provided by the National Institutes of Healh.
 * The [Nexclade command line interface (CLI)](https://docs.nextstrain.org/projects/nextclade/en/stable/user/nextclade-cli/index.html) provided by [Nextstrain](https://docs.nextstrain.org/en/latest/).
 
 This package was developed to provide data required for the [COVID-19 Variant Nowcast hub](https://github.com/reichlab/variant-nowcast-hub), where modelers and teams forecast the daily proportions of COVID-19 variants in US states.
 
-We are releasing `virus-clade-utils` as a standalone package for use by others who may find the functionality useful.
+We are releasing `cladetime` as a standalone package for use by others who may find the functionality useful.
 
 
 ## Usage
@@ -24,7 +24,7 @@ This library contains two types of components:
 To use the interactive `CladeTime` object, install this package:
 
 ```bash
-    pip install git+https://github.com/reichlab/virus-clade-utils.git
+    pip install git+https://github.com/reichlab/cladetime.git
 ```
 
 Once the package is installed, you can instantiate a `CladeTime` object in a Python console
@@ -33,7 +33,7 @@ Once the package is installed, you can instantiate a `CladeTime` object in a Pyt
 #### Work with the latest Nextstrain Sars-Cov-2 sequence metadata and clade assignments
 
 ```python
-In [1]: from virus_clade_utils.cladetime import CladeTime
+In [1]: from cladetime.cladetime import CladeTime
 
 In [2]: ct = CladeTime()
 
@@ -86,7 +86,7 @@ Out[9]:
  #### Work with point-in-time Nextstrain Sars-Cov-2 sequence metadata and clade assignments
 
  ```python
-In [10]: from virus_clade_utils.cladetime import CladeTime
+In [10]: from cladetime import CladeTime
 
 In [11]: ct = CladeTime(sequence_as_of="2024-08-31", tree_as_of="2024-08-01")
 
@@ -118,12 +118,12 @@ Use the directions below to run the pipeline in a Docker container.
 1. Clone this repository and change into the high-level directory:
 
     ```bash
-    cd virus-clade-utils
+    cd cladetime
     ```
 2. Build the Docker image:
 
     ```bash
-    docker build --platform=linux/amd64 -t virus-clade-utils .
+    docker build --platform=linux/amd64 -t cladetime .
     ```
 
 3. To run the target data pipeline, passing in required arguments:
@@ -131,7 +131,7 @@ Use the directions below to run the pipeline in a Docker container.
     ```bash
     docker run --platform linux/amd64 \
     -v $(pwd)/data:/home/docker-user/ \
-    virus-clade-utils \
+    cladetime \
     --sequence-released-since-date 2024-07-16 \
     --reference-tree-date 2024-07-16 \
     --data-dir /home/docker-user
@@ -147,7 +147,7 @@ The clade assignments will now be in the local directory that was mounted to the
 1. Enter the container's bash shell:
 
     ```bash
-    docker run --platform linux/amd64 -it --entrypoint bash virus-clade-utils
+    docker run --platform linux/amd64 -it --entrypoint bash cladetime
     ```
 
 2. Once you're in the shell of the container:
@@ -165,7 +165,7 @@ To run the test suite in the Docker container (built above):
 1. Enter the container's bash shell:
 
     ```bash
-    docker run --platform linux/amd64 -it --entrypoint bash virus-clade-utils
+    docker run --platform linux/amd64 -it --entrypoint bash cladetime
     ```
 
 2. Once you're in the shell of the container, run the tests:
@@ -199,7 +199,7 @@ Follow the directions below to set this project up on your local machine.
 1. Clone this repository and change into the project's high-level directory:
 
     ```bash
-    cd virus-clade-utils
+    cd cladetime
     ```
 
 2. Create a Python virtual environment:
diff --git a/pyproject.toml b/pyproject.toml
index ba79255..a38d78c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
-name = "virus-clade-utils"
-version = "0.1.0"
+name = "cladetime"
+version = "0.2.0"
 description = "Assign clades to viral genome sequences at a point in time."
 authors = [
     {name = "Evan Ray", email="elray@umass.edu"},
@@ -43,11 +43,11 @@ dev = [
 ]
 
 [project.urls]
-Repository = "https://github.com/reichlab/virus-clade-utils.git"
+Repository = "https://github.com/reichlab/cladetime.git"
 
 [project.entry-points."console_scripts"]
-assign_clades = "virus_clade_utils.assign_clades:main"
-clade_list = "virus_clade_utils.get_clade_list:main"
+assign_clades = "cladetime.assign_clades:main"
+clade_list = "cladetime.get_clade_list:main"
 
 [build-system]
 requires = ["setuptools>=64", "wheel"]
@@ -68,7 +68,7 @@ line-length = 120
 lint.extend-select = ["I"]
 
 [tools.setuptools]
-packages = ["virus_clade_utils"]
+packages = ["cladetime"]
 
 [tool.mypy]
 ignore_missing_imports = true
diff --git a/requirements/requirements-dev.txt b/requirements/requirements-dev.txt
index 9596d67..361606d 100644
--- a/requirements/requirements-dev.txt
+++ b/requirements/requirements-dev.txt
@@ -1,13 +1,13 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile pyproject.toml --extra dev -o requirements/requirements-dev.txt
 awscli==1.32.116
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 boto3==1.34.116
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   moto
 boto3-stubs==1.35.28
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 botocore==1.34.116
     # via
     #   awscli
@@ -24,20 +24,20 @@ charset-normalizer==3.3.2
     # via requests
 click==8.1.7
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   rich-click
 cloudpathlib==0.18.1
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 colorama==0.4.6
     # via awscli
 coverage==7.5.3
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 cryptography==43.0.1
     # via moto
 docutils==0.16
     # via awscli
 freezegun==1.5.1
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 idna==3.7
     # via requests
 iniconfig==2.0.0
@@ -59,9 +59,9 @@ markupsafe==2.1.5
 mdurl==0.1.2
     # via markdown-it-py
 moto==5.0.15
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 mypy==1.10.1
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 mypy-boto3-s3==1.35.22
     # via boto3-stubs
 mypy-extensions==1.0.0
@@ -73,13 +73,13 @@ numpy==1.26.4
 packaging==24.0
     # via pytest
 pandas==2.2.2
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 pluggy==1.5.0
     # via pytest
 polars==1.6.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 pyarrow==16.1.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 pyasn1==0.6.0
     # via rsa
 pycparser==2.22
@@ -88,10 +88,10 @@ pygments==2.18.0
     # via rich
 pytest==8.2.1
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   pytest-mock
 pytest-mock==3.14.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 python-dateutil==2.9.0.post0
     # via
     #   botocore
@@ -106,21 +106,21 @@ pyyaml==6.0.1
     #   responses
 requests==2.32.3
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   moto
     #   responses
 responses==0.25.3
     # via moto
 rich==13.7.1
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   rich-click
 rich-click==1.8.2
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 rsa==4.7.2
     # via awscli
 ruff==0.5.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 s3transfer==0.10.1
     # via
     #   awscli
@@ -128,30 +128,32 @@ s3transfer==0.10.1
 six==1.16.0
     # via python-dateutil
 structlog==24.2.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 types-awscrt==0.21.5
     # via botocore-stubs
 types-python-dateutil==2.9.0.20240906
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 types-requests==2.32.0.20240914
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 types-s3transfer==0.10.2
     # via boto3-stubs
 typing-extensions==4.12.0
     # via
+    #   boto3-stubs
     #   mypy
+    #   mypy-boto3-s3
     #   rich-click
 tzdata==2024.1
     # via pandas
 urllib3==2.2.1
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   botocore
     #   requests
     #   responses
     #   types-requests
 us==3.2.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 werkzeug==3.0.4
     # via moto
 xmltodict==0.13.0
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index ecd54a0..c5847db 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -1,9 +1,9 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile pyproject.toml -o requirements/requirements.txt
 awscli==1.32.97
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 boto3==1.34.97
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 botocore==1.34.97
     # via
     #   awscli
@@ -15,10 +15,10 @@ charset-normalizer==3.3.2
     # via requests
 click==8.1.7
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   rich-click
 cloudpathlib==0.18.1
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 colorama==0.4.6
     # via awscli
 docutils==0.16
@@ -40,11 +40,11 @@ numpy==1.26.4
     #   pandas
     #   pyarrow
 pandas==2.2.2
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 polars==1.6.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 pyarrow==16.0.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 pyasn1==0.6.0
     # via rsa
 pygments==2.18.0
@@ -58,13 +58,13 @@ pytz==2024.1
 pyyaml==6.0.1
     # via awscli
 requests==2.32.3
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 rich==13.7.1
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   rich-click
 rich-click==1.8.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 rsa==4.7.2
     # via awscli
 s3transfer==0.10.1
@@ -74,15 +74,15 @@ s3transfer==0.10.1
 six==1.16.0
     # via python-dateutil
 structlog==24.1.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
 typing-extensions==4.11.0
     # via rich-click
 tzdata==2024.1
     # via pandas
 urllib3==2.2.1
     # via
-    #   virus-clade-utils (pyproject.toml)
+    #   cladetime (pyproject.toml)
     #   botocore
     #   requests
 us==3.2.0
-    # via virus-clade-utils (pyproject.toml)
+    # via cladetime (pyproject.toml)
diff --git a/src/virus_clade_utils/__init__.py b/src/cladetime/__init__.py
similarity index 91%
rename from src/virus_clade_utils/__init__.py
rename to src/cladetime/__init__.py
index cfae590..bcc450d 100644
--- a/src/virus_clade_utils/__init__.py
+++ b/src/cladetime/__init__.py
@@ -2,6 +2,10 @@
 
 import structlog
 
+from cladetime.cladetime import CladeTime
+
+
+__all__ = ["CladeTime"]
 
 def setup_logging():
     shared_processors = [
diff --git a/src/virus_clade_utils/_typing.py b/src/cladetime/_typing.py
similarity index 100%
rename from src/virus_clade_utils/_typing.py
rename to src/cladetime/_typing.py
diff --git a/src/virus_clade_utils/assign_clades.py b/src/cladetime/assign_clades.py
similarity index 96%
rename from src/virus_clade_utils/assign_clades.py
rename to src/cladetime/assign_clades.py
index e98c0a6..0bd5a76 100644
--- a/src/virus_clade_utils/assign_clades.py
+++ b/src/cladetime/assign_clades.py
@@ -8,9 +8,9 @@
 import rich_click as click
 import structlog
 
-from virus_clade_utils.util.config import Config
-from virus_clade_utils.util.reference import get_nextclade_dataset
-from virus_clade_utils.util.sequence import (
+from cladetime.util.config import Config
+from cladetime.util.reference import get_nextclade_dataset
+from cladetime.util.sequence import (
     _unzip_sequence_package,
     get_covid_genome_data,
     parse_sequence_assignments,
@@ -121,7 +121,7 @@ def merge_metadata(config: Config) -> pl.DataFrame:
         )
 
     # TBD: include only the columns we need
-    # https://github.com/reichlab/virus-clade-utils/issues/11
+    # https://github.com/reichlab/cladetime/issues/11
     if len(config.assignment_file_columns) > 0:
         joined = joined.select(config.assignment_file_columns)
 
diff --git a/src/virus_clade_utils/cladetime.py b/src/cladetime/cladetime.py
similarity index 95%
rename from src/virus_clade_utils/cladetime.py
rename to src/cladetime/cladetime.py
index 28ca0f5..22d24f5 100644
--- a/src/virus_clade_utils/cladetime.py
+++ b/src/cladetime/cladetime.py
@@ -5,10 +5,10 @@
 import polars as pl
 import structlog
 
-from virus_clade_utils.exceptions import CladeTimeInvalidDateError, CladeTimeInvalidURLError
-from virus_clade_utils.util.config import Config
-from virus_clade_utils.util.reference import _get_s3_object_url
-from virus_clade_utils.util.sequence import _get_ncov_metadata, get_covid_genome_metadata
+from cladetime.exceptions import CladeTimeInvalidDateError, CladeTimeInvalidURLError
+from cladetime.util.config import Config
+from cladetime.util.reference import _get_s3_object_url
+from cladetime.util.sequence import _get_ncov_metadata, get_covid_genome_metadata
 
 logger = structlog.get_logger()
 
diff --git a/src/virus_clade_utils/exceptions.py b/src/cladetime/exceptions.py
similarity index 100%
rename from src/virus_clade_utils/exceptions.py
rename to src/cladetime/exceptions.py
diff --git a/src/virus_clade_utils/get_clade_list.py b/src/cladetime/get_clade_list.py
similarity index 95%
rename from src/virus_clade_utils/get_clade_list.py
rename to src/cladetime/get_clade_list.py
index 86c90f7..a5e63be 100644
--- a/src/virus_clade_utils/get_clade_list.py
+++ b/src/cladetime/get_clade_list.py
@@ -7,15 +7,15 @@
 import structlog
 from cloudpathlib import AnyPath
 
-from virus_clade_utils.util.config import Config
-from virus_clade_utils.util.sequence import (
+from cladetime.util.config import Config
+from cladetime.util.sequence import (
     download_covid_genome_metadata,
     filter_covid_genome_metadata,
     get_clade_counts,
     get_covid_genome_metadata,
 )
-from virus_clade_utils.util.session import _get_session
-from virus_clade_utils.util.timing import time_function
+from cladetime.util.session import _get_session
+from cladetime.util.timing import time_function
 
 logger = structlog.get_logger()
 
diff --git a/src/virus_clade_utils/util/__init__.py b/src/cladetime/util/__init__.py
similarity index 100%
rename from src/virus_clade_utils/util/__init__.py
rename to src/cladetime/util/__init__.py
diff --git a/src/virus_clade_utils/util/config.py b/src/cladetime/util/config.py
similarity index 100%
rename from src/virus_clade_utils/util/config.py
rename to src/cladetime/util/config.py
diff --git a/src/virus_clade_utils/util/reference.py b/src/cladetime/util/reference.py
similarity index 100%
rename from src/virus_clade_utils/util/reference.py
rename to src/cladetime/util/reference.py
diff --git a/src/virus_clade_utils/util/sequence.py b/src/cladetime/util/sequence.py
similarity index 97%
rename from src/virus_clade_utils/util/sequence.py
rename to src/cladetime/util/sequence.py
index 4d621c4..1057073 100644
--- a/src/virus_clade_utils/util/sequence.py
+++ b/src/cladetime/util/sequence.py
@@ -11,9 +11,9 @@
 import us
 from requests import Session
 
-from virus_clade_utils.util.reference import _get_s3_object_url
-from virus_clade_utils.util.session import _check_response, _get_session
-from virus_clade_utils.util.timing import time_function
+from cladetime.util.reference import _get_s3_object_url
+from cladetime.util.session import _check_response, _get_session
+from cladetime.util.timing import time_function
 
 logger = structlog.get_logger()
 
diff --git a/src/virus_clade_utils/util/session.py b/src/cladetime/util/session.py
similarity index 100%
rename from src/virus_clade_utils/util/session.py
rename to src/cladetime/util/session.py
diff --git a/src/virus_clade_utils/util/timing.py b/src/cladetime/util/timing.py
similarity index 100%
rename from src/virus_clade_utils/util/timing.py
rename to src/cladetime/util/timing.py
diff --git a/tests/conftest.py b/tests/conftest.py
index 9075659..b5b15a2 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -3,9 +3,9 @@
 import boto3
 import pytest
 import requests
+from cladetime.util.config import Config
 from freezegun import freeze_time
 from moto import mock_aws
-from virus_clade_utils.util.config import Config
 
 
 @pytest.fixture
diff --git a/tests/integration/test_assign_clades.py b/tests/integration/test_assign_clades.py
index 96ad180..498a344 100644
--- a/tests/integration/test_assign_clades.py
+++ b/tests/integration/test_assign_clades.py
@@ -1,8 +1,8 @@
 import datetime
 
 import click
+from cladetime.assign_clades import main
 from click.testing import CliRunner
-from virus_clade_utils.assign_clades import main
 
 
 # test below runs the entire pipeline
diff --git a/tests/unit/test_cladetime.py b/tests/unit/test_cladetime.py
index 590c1a2..0e55533 100644
--- a/tests/unit/test_cladetime.py
+++ b/tests/unit/test_cladetime.py
@@ -4,9 +4,9 @@
 
 import dateutil.tz
 import pytest
+from cladetime.cladetime import CladeTime
+from cladetime.exceptions import CladeTimeInvalidDateError, CladeTimeInvalidURLError
 from freezegun import freeze_time
-from virus_clade_utils.cladetime import CladeTime
-from virus_clade_utils.exceptions import CladeTimeInvalidDateError, CladeTimeInvalidURLError
 
 
 def test_cladetime_no_args():
@@ -86,7 +86,7 @@ def test_cladetime_urls(s3_setup, test_config, sequence_as_of, expected_content)
 
     mock = MagicMock(return_value=test_config, name="CladeTime._get_config_mock")
 
-    with patch("virus_clade_utils.cladetime.CladeTime._get_config", mock):
+    with patch("cladetime.CladeTime._get_config", mock):
         with freeze_time("2024-09-02 00:00:00"):
             ct = CladeTime(sequence_as_of=sequence_as_of)
             for url in [ct.url_sequence, ct.url_sequence_metadata]:
@@ -114,14 +114,14 @@ def test_cladetime_ncov_metadata():
 @pytest.mark.skip("Need moto fixup to test S3 URLs")
 def test_cladetime_sequence_metadata(test_config):
     mock = MagicMock(return_value=test_config, name="CladeTime._get_config_mock")
-    with patch("virus_clade_utils.cladetime.CladeTime._get_config", mock):
+    with patch("cladetime.CladeTime._get_config", mock):
         ct = CladeTime()
     assert isinstance(ct.sequence_metadata)
 
 
 def test_cladetime_sequence_metadata_no_url(test_config):
     mock = MagicMock(return_value=test_config, name="CladeTime._get_config_mock")
-    with patch("virus_clade_utils.cladetime.CladeTime._get_config", mock):
+    with patch("cladetime.CladeTime._get_config", mock):
         ct = CladeTime()
     ct.url_sequence_metadata = None
 
diff --git a/tests/unit/test_get_clade_list.py b/tests/unit/test_get_clade_list.py
index bad8a26..f5940a1 100644
--- a/tests/unit/test_get_clade_list.py
+++ b/tests/unit/test_get_clade_list.py
@@ -2,7 +2,7 @@
 from unittest.mock import MagicMock, patch
 
 import pytest
-from virus_clade_utils.get_clade_list import main
+from cladetime.get_clade_list import main
 
 
 @pytest.fixture
@@ -33,7 +33,7 @@ def test_clade_list(test_file_path, tmp_path, threshold, weeks, max_clades, expe
     test_genome_metadata = test_file_path / "test_metadata.tsv"
     mock = MagicMock(return_value=test_genome_metadata, name="genome_metadata_download_mock")
 
-    with patch("virus_clade_utils.get_clade_list.download_covid_genome_metadata", mock):
+    with patch("cladetime.get_clade_list.download_covid_genome_metadata", mock):
         actual_list = main("some_bucket", "some_key", tmp_path, threshold, weeks, max_clades)
 
     assert set(expected_list) == set(actual_list)
diff --git a/tests/unit/util/test_reference.py b/tests/unit/util/test_reference.py
index 0a0e16a..a14a9b8 100644
--- a/tests/unit/util/test_reference.py
+++ b/tests/unit/util/test_reference.py
@@ -1,7 +1,7 @@
 from datetime import datetime, timezone
 from unittest import mock
 
-from virus_clade_utils.util.reference import _get_s3_object_url, get_nextclade_dataset
+from cladetime.util.reference import _get_s3_object_url, get_nextclade_dataset
 
 
 @mock.patch("subprocess.run")
diff --git a/tests/unit/util/test_sequence.py b/tests/unit/util/test_sequence.py
index 6bd9382..b5f21b7 100644
--- a/tests/unit/util/test_sequence.py
+++ b/tests/unit/util/test_sequence.py
@@ -4,7 +4,7 @@
 
 import polars as pl
 import pytest
-from virus_clade_utils.util.sequence import (
+from cladetime.util.sequence import (
     download_covid_genome_metadata,
     filter_covid_genome_metadata,
     get_covid_genome_metadata,