recursive

.github/workflows/install-glofo.yaml

diff --git a/.github/workflows/install-glofo.yaml b/.github/workflows/install-glofo.yaml
index b7f9abd..184c654 100644
--- a/.github/workflows/install-glofo.yaml
+++ b/.github/workflows/install-glofo.yaml
@@ -15,6 +15,8 @@
 
     # checkout the repo to get the scripts
     - uses: actions/checkout@v2
+      with:
+        submodules: recursive
 
     # build the user project and wrapper
     - name: pdk & openlane