diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 570d7943a..c1b96f116 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -76,6 +76,9 @@ jobs:
             .git/modules
           key: ${{ runner.os }}-vendor-modules-${{ steps.submodules.outputs.hash }}
 
+      - name: Update submodules
+        run: git submodule update --init --recursive
+
       - name: Build binaries
         run: make V=1 QUICK_AND_DIRTY_COMPILER=1 all tools