diff --git a/src/hei_includes.hpp b/src/hei_includes.hpp
index 40bdfc7..71abb4c 100644
--- a/src/hei_includes.hpp
+++ b/src/hei_includes.hpp
@@ -12,6 +12,7 @@
 #include <stdlib.h>
 
 #include <map>
+#include <memory>
 #include <vector>
 
 // Library includes