diff --git a/main.sh b/main.sh
index 17d29eb..08410a8 100755
--- a/main.sh
+++ b/main.sh
@@ -9,6 +9,7 @@ source ./pika-build-config.sh
 echo "$PIKA_BUILD_ARCH" > pika-build-arch
 
 # Clone Upstream
+git submodule update --remote --merge
 mkdir -p pika-kernel-manager
 cp -rvf ./* ./pika-kernel-manager/ || true
 cd ./pika-kernel-manager/