diff --git a/.github/workflows/Ubuntu.yml b/.github/workflows/Ubuntu.yml
index 2db7609..32b366d 100644
--- a/.github/workflows/Ubuntu.yml
+++ b/.github/workflows/Ubuntu.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        image: [4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5, 6, 7, 8, 9, 10, 11, 12]
+        image: [4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5, 6, 7, 8, 9, 10, 11, 12, 13]
 
     container: flagarde/ci-ubuntu-gcc-${{ matrix.image }}-x86_64:latest