diff --git a/include/stdex/curl.hpp b/include/stdex/curl.hpp
index 39c672b22..d76d3356d 100644
--- a/include/stdex/curl.hpp
+++ b/include/stdex/curl.hpp
@@ -7,6 +7,7 @@
 
 #include "compat.hpp"
 #include <curl/curl.h>
+#include <memory>
 #include <string>
 #include <stdexcept>