diff --git a/include/utempl/utils.hpp b/include/utempl/utils.hpp
index ce0e8b2..56ae4fe 100644
--- a/include/utempl/utils.hpp
+++ b/include/utempl/utils.hpp
@@ -2,6 +2,7 @@
 #include <utempl/tuple.hpp>
 #include <utempl/overloaded.hpp>
 #include <utempl/constexpr_string.hpp>
+#include <ranges>
 #include <optional>
 #include <fmt/format.h>