diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index 1206d57d..d1f7dae4 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macOS-latest]
-        python-version: [3.8]
+        python-version: [3.9]
         openeye: [true, false]
         integration: [true]