diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c2b2477a..3824514d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -57,7 +57,7 @@ jobs:
             dist: 'ipympl*.whl'
           # Install from sdist not wheel
           - os: ubuntu
-            python: '3.12'
+            python: '3.11'
             mpl-version: 'latest'
             dist: 'ipympl*.tar.gz'