diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 99752b5..2bfda30 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -14,6 +14,7 @@
 #include "clang/Parse/Parser.h"
 #include "clang/Parse/ParseDiagnostic.h"
 #include "clang/Parse/Scope.h"
+#include "clang/Parse/Template.h"
 #include "ExtensionRAIIObject.h"
 #include "llvm/ADT/SmallSet.h"
 using namespace clang;