diff --git a/Source/ThirdParty/ANGLE/include/GLSLANG/ShaderVars.h b/Source/ThirdParty/ANGLE/include/GLSLANG/ShaderVars.h
index 94cb93e01fc0..ec7bda372f30 100644
--- a/Source/ThirdParty/ANGLE/include/GLSLANG/ShaderVars.h
+++ b/Source/ThirdParty/ANGLE/include/GLSLANG/ShaderVars.h
@@ -12,6 +12,7 @@
 
 #include <algorithm>
 #include <array>
+#include <cstdint>
 #include <string>
 #include <vector>