diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5008721..434a928 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
   build:
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
     uses: 
       ihmeuw/vivarium_build_utils/.github/workflows/build.yml@main
     with:
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index bfc47b5..a2d5faf 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,7 @@
+**0.2.0 - 11/21/24**
+
+ - Drop support for Python 3.9
+
 **0.1.2 - 10/31/24**
 
  - Add mypy type checking
diff --git a/Jenkinsfile b/Jenkinsfile
index 2fc84b6..bb345fb 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -82,7 +82,7 @@ pipeline {
           axis {
               // parallelize by python minor version
               name 'PYTHON_VERSION'
-              values "3.9", "3.10", "3.11"
+              values "3.10", "3.11"
           }
         }
 
diff --git a/setup.py b/setup.py
index c4fdf67..976fb66 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 import sys
 
-min_version, max_version = ((3, 8), "3.8"), ((3, 12), "3.12")
+min_version, max_version = ((3, 10), "3.10"), ((3, 12), "3.12")
 
 if not (min_version[0] <= sys.version_info[:2] <= max_version[0]):
     # Python 3.5 does not support f-strings