diff --git a/build.sh b/build.sh
index 5871dbf..cbaa55b 100755
--- a/build.sh
+++ b/build.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
 mkdir build
+git submodule init
+git submodule update
 git submodule foreach git pull origin main
 cd build
 cmake ..