diff --git a/.gitea/workflows/build_iso.yaml b/.gitea/workflows/build_iso.yaml
index 7872aef..e063cc1 100644
--- a/.gitea/workflows/build_iso.yaml
+++ b/.gitea/workflows/build_iso.yaml
@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
 
       - name: Build release
         run: ./aux/devel.sh
diff --git a/.gitea/workflows/docs.yaml b/.gitea/workflows/docs.yaml
index c8440fa..693fc6d 100644
--- a/.gitea/workflows/docs.yaml
+++ b/.gitea/workflows/docs.yaml
@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
 
       - name: Set up python3
         uses: actions/setup-python@v5