diff --git a/.gitmodules b/.gitmodules
index 668c908712a7f5cf54c29d304aa9308f22b305a5..0054222d4a0b89886004c9581d4a1ae5f391ee40 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -70,3 +70,7 @@
 	path = modules/asset_loader/lib/wuffs-mirror-release-c
 	url = https://github.com/google/wuffs-mirror-release-c.git
 	branch = main
+[submodule "modules/shader_compiler/lib/slang"]
+	path = modules/shader_compiler/lib/slang
+	url = https://github.com/shader-slang/slang.git
+	branch = master
diff --git a/modules/shader_compiler/lib/slang b/modules/shader_compiler/lib/slang
new file mode 160000
index 0000000000000000000000000000000000000000..359fdc9d556b4c493c588c5b8f93df85933634f8
--- /dev/null
+++ b/modules/shader_compiler/lib/slang
@@ -0,0 +1 @@
+Subproject commit 359fdc9d556b4c493c588c5b8f93df85933634f8