diff --git a/include/bits/include-all.hpp b/include/bits/include-all.hpp
index 639d3df..b75e18e 100644
--- a/include/bits/include-all.hpp
+++ b/include/bits/include-all.hpp
@@ -15,6 +15,7 @@
 #include <iostream>
 #include <iterator>
 #include <list>
+#include <map>
 #include <memory>
 #include <ostream>
 #include <queue>