diff --git a/src/library/tactic/vm_monitor.cpp b/src/library/tactic/vm_monitor.cpp
index e660d53293..c6ae2c2bdf 100644
--- a/src/library/tactic/vm_monitor.cpp
+++ b/src/library/tactic/vm_monitor.cpp
@@ -4,6 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 
 Author: Leonardo de Moura
 */
+#include <limits>
 #include "library/vm/vm.h"
 #include "library/vm/vm_option.h"
 #include "library/vm/vm_name.h"