diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 54e66e82..f42fa7f3 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/readme.md b/readme.md
index 58c8d0f9..06df6147 100644
--- a/readme.md
+++ b/readme.md
@@ -14,7 +14,7 @@
   <img src="https://img.shields.io/badge/License-MIT-orange.svg">
   <a href="https://github.com/csinva/imodels/actions"><img src="https://github.com/csinva/imodels/workflows/tests/badge.svg"></a>
   <img src="https://img.shields.io/pypi/v/imodels?color=blue">
-  <img src="https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8%20%7C%203.9-blue">
+  <img src="https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8-blue">
 </p>