diff --git a/src/library/type_inference.cpp b/src/library/type_inference.cpp
index 5bb3bb7c4..b8bd4afd6 100644
--- a/src/library/type_inference.cpp
+++ b/src/library/type_inference.cpp
@@ -4,6 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 
 Author: Leonardo de Moura
 */
+#include <algorithm>
 #include "util/interrupt.h"
 #include "kernel/instantiate.h"
 #include "kernel/abstract.h"
diff --git a/src/library/type_inference.h b/src/library/type_inference.h
index df1769116..189ffe0b6 100644
--- a/src/library/type_inference.h
+++ b/src/library/type_inference.h
@@ -6,6 +6,7 @@ Author: Leonardo de Moura
 */
 #pragma once
 #include <memory>
+#include <vector>
 #include "kernel/environment.h"
 #include "library/projection.h"