diff --git a/similarity_search/src/logging.cc b/similarity_search/src/logging.cc
index 804ce27..15552a9 100644
--- a/similarity_search/src/logging.cc
+++ b/similarity_search/src/logging.cc
@@ -24,6 +24,7 @@
 #include <assert.h>
 
 #include <iostream>
+#include <memory>
 #include <string>
 
 #include "logging.h"