diff --git a/include/internal/catch_stream.cpp b/include/internal/catch_stream.cpp
index 1b157bb8..76bbc8f3 100644
--- a/include/internal/catch_stream.cpp
+++ b/include/internal/catch_stream.cpp
@@ -18,6 +18,7 @@
 #include <fstream>
 #include <sstream>
 #include <vector>
+#include <memory>
 
 #if defined(__clang__)
 #    pragma clang diagnostic push