diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index c39deb4e1..9cd232e95 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -11,6 +11,7 @@ Change Log
 * Minor updates to the view-portal-object dev/troubleshooting utility script.
 * Changed from typing_extensions import Literal to import from typing;
   odd Python 3.12 issue but only in GitHub Actions (observed for submitr).
+* Added tomli dependency in pyproject.toml (came up in submitr GA for Pyhthon 3.12).
 
 
 8.13.3
diff --git a/poetry.lock b/poetry.lock
index ad7f922a2..0f853563a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1994,7 +1994,7 @@ files = [
 name = "tomli"
 version = "2.0.1"
 description = "A lil' TOML parser"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -2282,4 +2282,4 @@ testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8.1,<3.13"
-content-hash = "bb78e9c396c24c7df9ab1768d13cd979909c31edcdf796bebbb28bb07a5720a6"
+content-hash = "45bd3f78d7d134a4e8ec30f529e286d963e5612daea5287174a43d1d3069afc2"
diff --git a/pyproject.toml b/pyproject.toml
index 3c8ace480..55a3d94f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "dcicutils"
-version = "8.13.3.1b2"  # TODO: To become 8.13.4
+version = "8.13.3.1b3"  # TODO: To become 8.13.4
 description = "Utility package for interacting with the 4DN Data Portal and other 4DN resources"
 authors = ["4DN-DCIC Team <support@4dnucleome.org>"]
 license = "MIT"
@@ -70,6 +70,7 @@ structlog = "^19.2.0"
 toml = ">=0.10.1,<1"
 tqdm = "^4.66.2"
 typing-extensions = ">=3.8"  # Fourfront uses 3.8
+tomli = "^2.0.1"  # Came up submitr for Python 3.12
 urllib3 = "^1.26.19"
 webtest = "^2.0.34"