diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index 2fd148e..f285017 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -4,8 +4,8 @@
 #include <cassert>
 #include <compare>
 #include <cstring>
+#include <limits>
 #include <map>
-#include <random>
 #include <set>
 #include <span>
 #include <string>