diff --git a/torchx-scm-1.rockspec b/torchx-scm-1.rockspec
index 684bffa..c393246 100644
--- a/torchx-scm-1.rockspec
+++ b/torchx-scm-1.rockspec
@@ -23,6 +23,8 @@ dependencies = {
 build = {
    type = "command",
    build_command = [[
+git submodule init
+git submodule update
 cmake -E make_directory build;
 cd build;
 cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$(LUA_BINDIR)/.." -DCMAKE_INSTALL_PREFIX="$(PREFIX)";