diff --git a/include/llvm/Support/TypeBuilder.h b/include/llvm/Support/TypeBuilder.h
index ea63da0..dbe7cfd 100644
--- a/include/llvm/Support/TypeBuilder.h
+++ b/include/llvm/Support/TypeBuilder.h
@@ -18,6 +18,7 @@
 #include "llvm/DerivedTypes.h"
 #include "llvm/LLVMContext.h"
 #include <limits.h>
+#include <vector>
 
 namespace llvm {