diff --git a/.forgejo/workflows/build-release.yaml b/.forgejo/workflows/build-release.yaml
index f827a78..3d77022 100644
--- a/.forgejo/workflows/build-release.yaml
+++ b/.forgejo/workflows/build-release.yaml
@@ -33,6 +33,7 @@ jobs:
         run: |
           alias musl-gcc="musl-gcc -Wl,-Bstatic -L ${PREFIX}/lib"
           cd repos/mbed
+          git submodule update --init
           python3 -m pip install -r scripts/basic.requirements.txt --break-system-packages
           make CC=musl-gcc -j$(nproc)
           make install DESTDIR=${PREFIX} -j$(nproc)