diff --git a/.github/matrix.py b/.github/matrix.py
index ff588d788..166bb02ca 100755
--- a/.github/matrix.py
+++ b/.github/matrix.py
@@ -125,7 +125,7 @@ def main(ref_name):
     # Ubuntu
 
     if "haproxy-" in ref_name:
-        os = "ubuntu-22.04" # stable branch
+        os = "ubuntu-24.04" # stable branch
     else:
         os = "ubuntu-24.04" # development branch