diff --git a/tools/replay/timeline.cc b/tools/replay/timeline.cc
index 8c33e95f11..a984c20016 100644
--- a/tools/replay/timeline.cc
+++ b/tools/replay/timeline.cc
@@ -1,6 +1,7 @@
 #include "tools/replay/timeline.h"
 
 #include <array>
+#include <algorithm>
 
 #include "cereal/gen/cpp/log.capnp.h"