diff --git a/src/matcher.h b/src/matcher.h
index 377cf25..350648a 100644
--- a/src/matcher.h
+++ b/src/matcher.h
@@ -20,6 +20,7 @@
 #include <cstdint>
 #include <functional>
 #include <iterator>
+#include <limits>
 #include <string>
 #include <utility>
 #include <vector>