diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 46e0b317..7889b69d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
 
     # 6) Set up Python & install dependencies
     - uses: actions/setup-python@v5
-      with: { python-version: "3.9" }
+      with: { python-version: "3.10" }
     - name: Install Python deps
       run: |
         pip install -e .
diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index bda57a97..8074be85 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -19,10 +19,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v3
       with:
-        python-version: "3.9"
+        python-version: "3.10"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/pyproject.toml b/pyproject.toml
index fa4852fe..829af4e5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,14 +11,14 @@ authors = [
   {name = "Adith Swaminathan", email = "adith387@gmail.com"},
 ]
 license="MIT"
-requires-python = ">= 3.9"
+requires-python = ">= 3.10"
 dynamic = ["version", "dependencies", "description"]
 readme = "README.md"
 keywords = ["trace", "opto", "AutoDiff"]
 classifiers = [
   "Development Status :: 4 - Beta",
   "Intended Audience :: Developers",
-  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
 ]
 
 [project.optional-dependencies]
diff --git a/setup.py b/setup.py
index e1e16725..dbd60be5 100644
--- a/setup.py
+++ b/setup.py
@@ -29,5 +29,5 @@
     long_description=open('README.md', encoding="utf8").read(),
     packages=setuptools.find_packages(include=["opto*"]),
     install_requires=install_requires,
-    python_requires=">=3.9",
+    python_requires=">=3.10",
 )