diff --git a/include/uuid.h b/include/uuid.h
index 10d63e4..69f587d 100644
--- a/include/uuid.h
+++ b/include/uuid.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstring>
 #include <string>
 #include <sstream>
 #include <iomanip>
@@ -869,4 +870,4 @@ namespace std
          return static_cast<result_type>(hasher(uuids::to_string(uuid)));
       }
    };
-}
\ No newline at end of file
+}
diff --git a/test/test_uuid.cpp b/test/test_uuid.cpp
index 8e418b1..f7a601e 100644
--- a/test/test_uuid.cpp
+++ b/test/test_uuid.cpp
@@ -1,6 +1,7 @@
 #include "uuid.h"
 #include "catch.hpp"
 
+#include <cstring>
 #include <set>
 #include <unordered_set>
 #include <vector>
@@ -288,4 +289,4 @@ TEST_CASE("Test as_bytes", "[ops]")
       REQUIRE(memcmp(view.data(), arr.data(), arr.size()) == 0);
    }
 
-}
\ No newline at end of file
+}