diff --git a/.github/actions/install-concordia/action.yml b/.github/actions/install-concordia/action.yml
index 08bfe738..229b1414 100644
--- a/.github/actions/install-concordia/action.yml
+++ b/.github/actions/install-concordia/action.yml
@@ -4,7 +4,7 @@ inputs:
   python-version:
     description: Python version
     required: false
-    default: '3.12'
+    default: '3.11'
     type: string
 
 outputs: