diff --git a/examples/BrainF/BrainFDriver.cpp b/examples/BrainF/BrainFDriver.cpp
index d726464a527..e2de6bc58d7 100644
--- a/examples/BrainF/BrainFDriver.cpp
+++ b/examples/BrainF/BrainFDriver.cpp
@@ -31,6 +31,7 @@
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FileSystem.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/TargetSelect.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/lib/IR/ConstantsContext.h b/lib/IR/ConstantsContext.h
index 8aae14aabff..f06509fb73a 100644
--- a/lib/IR/ConstantsContext.h
+++ b/lib/IR/ConstantsContext.h
@@ -24,6 +24,7 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include <map>
+#include <tuple>
 
 #define DEBUG_TYPE "ir"