diff --git a/.github/workflows/artifacts.yml b/.github/workflows/artifacts.yml
index 951cfa1..5606b18 100644
--- a/.github/workflows/artifacts.yml
+++ b/.github/workflows/artifacts.yml
@@ -53,7 +53,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        source_branch: [sdk2013-sp, sdk2013-mp]
+        source_branch: [sdk2013-sp, sdk2013-mp, gmod]
 
     runs-on: ubuntu-latest
     container: debian:bullseye