diff --git a/.github/actions/setup-project/action.yml b/.github/actions/setup-project/action.yml
index f9ca756b9..f653ba932 100644
--- a/.github/actions/setup-project/action.yml
+++ b/.github/actions/setup-project/action.yml
@@ -9,10 +9,10 @@ runs:
         sudo apt-get update \
         && sudo apt-get install -y --no-install-recommends \
         libcurl4-openssl-dev
-    - name: Set up Python 3.13.2
+    - name: Set up Python 3.12.2
       uses: actions/setup-python@v4
       with:
-        python-version: "3.13.2"
+        python-version: "3.12.2"
     - name: Install poetry
       shell: bash
       run: pip install poetry==2.1.3
diff --git a/README.md b/README.md
index 63fdc6b97..2a6902de6 100644
--- a/README.md
+++ b/README.md
@@ -259,12 +259,12 @@ git clone git@github.com:GSA/notifications-api.git
 
 Now go into the project directory (`notifications-api` by default), create a
 virtual environment, and set the local Python version to point to the virtual
-environment (assumes version Python `3.13.2` is what is installed on your
+environment (assumes version Python `3.12.2` is what is installed on your
 machine):
 
 ```sh
 cd notifications-api
-pyenv virtualenv 3.13.2 notify-api
+pyenv virtualenv 3.12.2 notify-api
 pyenv local notify-api
 ```
 
@@ -329,7 +329,7 @@ environment with the newer version of Python you just installed:
 
 ```sh
 cd notifications-api
-pyenv virtualenv 3.13.2 notify-api
+pyenv virtualenv 3.12.2 notify-api
 pyenv local notify-api
 ```
 
diff --git a/poetry.lock b/poetry.lock
index cfa62e31f..8e232bdbe 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.1.1 and should not be changed by hand.
 
 [[package]]
 name = "aiohappyeyeballs"
@@ -185,6 +185,7 @@ files = [
 [package.dependencies]
 idna = ">=2.8"
 sniffio = ">=1.1"
+typing_extensions = {version = ">=4.5", markers = "python_version < \"3.13\""}
 
 [package.extras]
 doc = ["Sphinx (>=8.2,<9.0)", "packaging", "sphinx-autodoc-typehints (>=1.2.0)", "sphinx_rtd_theme"]
@@ -1369,6 +1370,9 @@ files = [
     {file = "exceptiongroup-1.3.0.tar.gz", hash = "sha256:b241f5885f560bc56a59ee63ca4c6a8bfa46ae4ad651af316d4e81817bb9fd88"},
 ]
 
+[package.dependencies]
+typing-extensions = {version = ">=4.6.0", markers = "python_version < \"3.13\""}
+
 [package.extras]
 test = ["pytest (>=6)"]
 
@@ -4191,6 +4195,7 @@ files = [
 [package.dependencies]
 attrs = ">=22.2.0"
 rpds-py = ">=0.7.0"
+typing-extensions = {version = ">=4.4.0", markers = "python_version < \"3.13\""}
 
 [[package]]
 name = "regex"
@@ -4298,19 +4303,19 @@ files = [
 
 [[package]]
 name = "requests"
-version = "2.32.3"
+version = "2.32.4"
 description = "Python HTTP for Humans."
 optional = false
 python-versions = ">=3.8"
 groups = ["main", "dev"]
 files = [
-    {file = "requests-2.32.3-py3-none-any.whl", hash = "sha256:70761cfe03c773ceb22aa2f671b4757976145175cdfca038c02654d061d6dcc6"},
-    {file = "requests-2.32.3.tar.gz", hash = "sha256:55365417734eb18255590a9ff9eb97e9e1da868d4ccd6402399eaf68af20a760"},
+    {file = "requests-2.32.4-py3-none-any.whl", hash = "sha256:27babd3cda2a6d50b30443204ee89830707d396671944c998b5975b031ac2b2c"},
+    {file = "requests-2.32.4.tar.gz", hash = "sha256:27d0316682c8a29834d3264820024b62a36942083d52caf2f14c0591336d3422"},
 ]
 
 [package.dependencies]
 certifi = ">=2017.4.17"
-charset-normalizer = ">=2,<4"
+charset_normalizer = ">=2,<4"
 idna = ">=2.5,<4"
 urllib3 = ">=1.21.1,<3"
 
@@ -5576,5 +5581,5 @@ cffi = ["cffi (>=1.11)"]
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.13.2"
-content-hash = "879c7bb9dd451bb098c7a092498dd458224dcc766eb504fafe2cdc10255ccf7e"
+python-versions = "^3.12.2"
+content-hash = "aca0313b6e053bbfea847692157e09f1f2d86b33b445a46170c20916341125d8"
diff --git a/pyproject.toml b/pyproject.toml
index f026ced23..b921ddd0b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ readme = "README.md"
 
 
 [tool.poetry.dependencies]
-python = "^3.13.2"
+python = "^3.12.2"
 alembic = "==1.16.1"
 amqp = "==5.3.1"
 beautifulsoup4 = "==4.13.4"
@@ -75,7 +75,7 @@ webencodings = "^0.5.1"
 itsdangerous = "^2.2.0"
 jinja2 = "^3.1.6"
 redis = "^5.0.8"
-requests = "^2.32.3"
+requests = "^2.32.4"
 flask-socketio = "^5.5.1"
 virtualenv = "<20.30"
 
diff --git a/runtime.txt b/runtime.txt
index c94f67640..64f28603a 100644
--- a/runtime.txt
+++ b/runtime.txt
@@ -1 +1 @@
-python-3.13.x
+python-3.12.x