diff --git a/.github/workflows/testing.yaml b/.github/workflows/testing.yaml
index a524773..7644c76 100644
--- a/.github/workflows/testing.yaml
+++ b/.github/workflows/testing.yaml
@@ -1,4 +1,4 @@
-# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# This workflow will install Python dependencies, run tests and lint with multiple versions of Python
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
 name: Testing
@@ -11,8 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # Use the same Python version used the Dockerfile
-        python-version: [3.12]
+        python-version: ['3.9', '3.10', '3.11', '3.12']
 
     env:
       OS: ubuntu-latest