diff --git a/Gems/Atom/RPI/Code/Include/Atom/RPI.Reflect/Shader/ShaderVariantKey.h b/Gems/Atom/RPI/Code/Include/Atom/RPI.Reflect/Shader/ShaderVariantKey.h
index 6dbfaaa948..e7a0672931 100644
--- a/Gems/Atom/RPI/Code/Include/Atom/RPI.Reflect/Shader/ShaderVariantKey.h
+++ b/Gems/Atom/RPI/Code/Include/Atom/RPI.Reflect/Shader/ShaderVariantKey.h
@@ -7,6 +7,7 @@
  */
 #pragma once
 
+#include <AzCore/Serialization/SerializeContext.h>
 #include <AzCore/Serialization/AZStdContainers.inl>
 #include <AzCore/std/containers/bitset.h>