diff --git a/.gitmodules b/.gitmodules
index cdfea88..52ef115 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,12 +1,16 @@
 [submodule "spirv-cross"]
 	path = external/SPIRV-Cross
 	url = https://github.com/KhronosGroup/SPIRV-Cross.git
+	branch = main
 [submodule "spirv-headers"]
 	path = external/SPIRV-Headers
 	url = https://github.com/KhronosGroup/SPIRV-Headers.git
+	branch = main
 [submodule "spirv-tools"]
 	path = external/SPIRV-Tools
 	url = https://github.com/KhronosGroup/SPIRV-Tools.git
+	branch = main
 [submodule "DirectXShaderCompiler"]
 	path = external/DirectXShaderCompiler
 	url = https://github.com/microsoft/DirectXShaderCompiler.git
+	branch = main