diff --git a/.github/workflows/builds.yml b/.github/workflows/builds.yml
index c8754a2d..ae2d7d5e 100644
--- a/.github/workflows/builds.yml
+++ b/.github/workflows/builds.yml
@@ -25,6 +25,7 @@ jobs:
       - name: Checkout project
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
+          submodules: recursive
           fetch-depth: 0 # Treeless clone. Slightly less performant than a shallow clone, but makes finding diffs instantaneous.
           filter: tree:0 # See: https://github.blog/open-source/git/get-up-to-speed-with-partial-clone-and-shallow-clone/
           persist-credentials: false