diff --git a/.copier-answers.yml b/.copier-answers.yml
index 431e78b..a2d9e9f 100644
--- a/.copier-answers.yml
+++ b/.copier-answers.yml
@@ -1,10 +1,10 @@
 # Changes here will be overwritten by Copier; NEVER EDIT MANUALLY
-_commit: ec8da94
+_commit: d91bf92
 _src_path: gh:scipp/copier_template
 description: A daemon that creates a raw dataset using scicat interface whenever a
     new file is written by a file-writer.
 max_python: '3.12'
-min_python: '3.9'
+min_python: '3.12'
 namespace_package: ''
 nightly_deps: ''
 orgname: ScicatProject
diff --git a/.github/workflows/python-version-ci b/.github/workflows/python-version-ci
index bd28b9c..e4fba21 100644
--- a/.github/workflows/python-version-ci
+++ b/.github/workflows/python-version-ci
@@ -1 +1 @@
-3.9
+3.12
diff --git a/pyproject.toml b/pyproject.toml
index 39063d4..9478972 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,14 +18,11 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering",
     "Typing :: Typed",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.12"
 
 # IMPORTANT:
 # Run 'tox -e deps' after making changes here. This will update requirement files.
@@ -82,5 +79,4 @@ enable_error_code = [
     "redundant-expr",
     "truthy-bool",
 ]
-show_error_codes = true
 warn_unreachable = true
diff --git a/requirements/dev.in b/requirements/dev.in
index 8e2cb06..9efd9d0 100644
--- a/requirements/dev.in
+++ b/requirements/dev.in
@@ -6,6 +6,3 @@
 copier
 pip-compile-multi
 pre-commit
-
-# See https://github.com/copier-org/copier/issues/1568
-pyyaml-include<2
diff --git a/tests/minimum_test.py b/tests/minimum_test.py
new file mode 100644
index 0000000..790739b
--- /dev/null
+++ b/tests/minimum_test.py
@@ -0,0 +1,2 @@
+def test_package() -> None:
+    import scicat_filewriter_ingest  # noqa: F401
diff --git a/tox.ini b/tox.ini
index 6f5eab7..731c297 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py39
+envlist = py312
 isolated_build = true
 
 [testenv]