diff --git a/.github/workflows/coveo-stew.yml b/.github/workflows/coveo-stew.yml
index 602cd41..6c2a1ac 100644
--- a/.github/workflows/coveo-stew.yml
+++ b/.github/workflows/coveo-stew.yml
@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.10", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         poetry-version: ["<1.2.0", ""]
         os: [ubuntu-latest, windows-latest, macos-latest]