diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d4f02efe..f670bb89 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.9', '3.10', '3.11', '3.12', '3.13', 'pypy3.9']
+        python: ['3.10', '3.11', '3.12', '3.13', 'pypy3.11']
 
     steps:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -60,10 +60,10 @@ jobs:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       with:
         persist-credentials: false
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
       with:
-        python-version: 3.9
+        python-version: '3.10'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index adfc47fd..6da167d7 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -40,7 +40,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
       with:
-        python-version: 3.9
+        python-version: '3.10'
 
     - name: Install dependencies
       run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 34f1d848..db1eb6b3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -56,7 +56,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
       with:
-        python-version: 3.9
+        python-version: '3.10'
 
     - name: Install dependencies
       run: |
@@ -138,4 +138,4 @@ jobs:
           --notes "$RELEASE_BODY"
 
     - name: Publish to Pypi
-      uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e # v1.13.0
+      uses: pypa/gh-action-pypi-publish@7245906fb61fa33a13554f9d5fb856fe61758086 # v1.14.3
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 139e7f96..68010fcc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -85,7 +85,7 @@ information on using pull requests.
 
 ### Initial Setup
 
-You need Python 3.9+ to build and test the code in this repo.
+You need Python 3.10+ to build and test the code in this repo.
 
 We recommend using [pip](https://pypi.python.org/pypi/pip) for installing the necessary tools and
 project dependencies. Most recent versions of Python ship with pip. If your development environment
diff --git a/README.md b/README.md
index 29303fd4..de8d4699 100644
--- a/README.md
+++ b/README.md
@@ -43,8 +43,8 @@ requests, code review feedback, and also pull requests.
 
 ## Supported Python Versions
 
-We currently support Python 3.9+. However, Python 3.9 support is deprecated,
-and developers are strongly advised to use Python 3.10 or higher. Firebase
+We currently support Python 3.10+. However, Python 3.10 support is deprecated,
+and developers are strongly advised to use Python 3.11 or higher. Firebase
 Admin Python SDK is also tested on PyPy and
 [Google App Engine](https://cloud.google.com/appengine/) environments.
 
diff --git a/setup.py b/setup.py
index 8950a263..da650282 100644
--- a/setup.py
+++ b/setup.py
@@ -22,8 +22,8 @@
 
 
 (major, minor) = (sys.version_info.major, sys.version_info.minor)
-if major != 3 or minor < 9:
-    print('firebase_admin requires python >= 3.9', file=sys.stderr)
+if (major, minor) < (3, 10):
+    print('firebase_admin requires python >= 3.10', file=sys.stderr)
     sys.exit(1)
 
 # Read in the package metadata per recommendations from:
@@ -61,13 +61,12 @@
     keywords='firebase cloud development',
     install_requires=install_requires,
     packages=['firebase_admin'],
-    python_requires='>=3.9',
+    python_requires='>=3.10',
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'Topic :: Software Development :: Build Tools',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',