diff --git a/.github/actions/setup-project/action.yml b/.github/actions/setup-project/action.yml
index 6a7d508a0..ad207f112 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 3.12.2
+    - name: Set up Python 3.13.2
       uses: actions/setup-python@v4
       with:
-        python-version: "3.12.2"
+        python-version: "3.13.2"
     - name: Install poetry
       shell: bash
       run: pip install poetry==2.1.3
diff --git a/README.md b/README.md
index c8a2e44c5..35cea487f 100644
--- a/README.md
+++ b/README.md
@@ -186,12 +186,12 @@ session to make the changes take effect.
 Now we're ready to install the Python version we need with `pyenv`, like so:
 
 ```sh
-pyenv install 3.12
+pyenv install 3.13
 ```
 
-This will install the latest version of Python 3.12.
+This will install the latest version of Python 3.13.
 
-_NOTE: This project currently runs on Python 3.12.x._
+_NOTE: This project currently runs on Python 3.13.x._
 
 #### [API Step] Python Dependency Installation
 
@@ -243,12 +243,12 @@ git clone git@github.com:GSA/notifications-admin.git
 
 Now go into the project directory (`notifications-admin` by default), create a
 virtual environment, and set the local Python version to point to the virtual
-environment (assumes version Python `3.12.2` is what is installed on your
+environment (assumes version Python `3.13.2` is what is installed on your
 machine):
 
 ```sh
 cd notifications-admin
-pyenv virtualenv 3.12.2 notify-admin
+pyenv virtualenv 3.13.2 notify-admin
 pyenv local notify-admin
 ```
 
@@ -281,10 +281,10 @@ If you're upgrading an existing project to a newer version of Python, you can
 follow these steps to get yourself up-to-date.
 
 First, use `pyenv` to install the newer version of Python you'd like to use;
-we'll use `3.12` in our example here since we recently upgraded to this version:
+we'll use `3.13` in our example here since we recently upgraded to this version:
 
 ```sh
-pyenv install 3.12
+pyenv install 3.13
 ```
 
 Next, delete the virtual environment you previously had set up. If you followed
@@ -299,7 +299,7 @@ environment with the newer version of Python you just installed:
 
 ```sh
 cd notifications-admin
-pyenv virtualenv 3.12.2 notify-admin
+pyenv virtualenv 3.13.2 notify-admin
 pyenv local notify-admin
 ```
 
diff --git a/poetry.lock b/poetry.lock
index 641e506d6..b072e8495 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -27,7 +27,6 @@ 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"]
@@ -949,9 +948,6 @@ 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)"]
 
@@ -4128,5 +4124,5 @@ cffi = ["cffi (>=1.11)"]
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.12.2"
-content-hash = "acc8897a5d775035e535d20a130a984636c954bb4a597f4f479dccd1bf172ba2"
+python-versions = "^3.13.2"
+content-hash = "ab3d05d57794f6b989981791e00c0bb03bbb18d161f5f9a517b46dee64c5ea2a"
diff --git a/pyproject.toml b/pyproject.toml
index e591c3fe7..06e49a985 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ package-mode = false
 
 [tool.poetry.dependencies]
 axe-core-python = "^0.1.0"
-python = "^3.12.2"
+python = "^3.13.2"
 ago = "~=0.1.0"
 beautifulsoup4 = "^4.13.3"
 blinker = "~=1.8"
diff --git a/runtime.txt b/runtime.txt
index 64f28603a..c94f67640 100644
--- a/runtime.txt
+++ b/runtime.txt
@@ -1 +1 @@
-python-3.12.x
+python-3.13.x