diff --git a/lib/text_serializer.cc b/lib/text_serializer.cc
index eb76c7bd..1e9ca1f1 100644
--- a/lib/text_serializer.cc
+++ b/lib/text_serializer.cc
@@ -2,6 +2,7 @@
 #include <cmath>
 #include <iostream>
 #include <sstream>
+#include <limits>
 
 namespace prometheus {