diff --git a/libgrive/src/base/Syncer.hh b/libgrive/src/base/Syncer.hh
index 237b894..9b6ae4f 100644
--- a/libgrive/src/base/Syncer.hh
+++ b/libgrive/src/base/Syncer.hh
@@ -21,6 +21,7 @@
 
 #include "util/FileSystem.hh"
 
+#include <memory>
 #include <string>
 #include <vector>
 #include <iosfwd>