diff --git a/src/types.h b/src/types.h
index 9446ac9f..6d4667e5 100644
--- a/src/types.h
+++ b/src/types.h
@@ -40,6 +40,7 @@
 
 #include <cassert>
 #include <cctype>
+#include <climits>
 #include <cstdint>
 #include <cstdlib>
 #include <algorithm>