diff --git a/pkgs/servers/sql/postgresql/default.nix b/pkgs/servers/sql/postgresql/default.nix
index 5ad0796ce2b..1fa25675cf3 100644
--- a/pkgs/servers/sql/postgresql/default.nix
+++ b/pkgs/servers/sql/postgresql/default.nix
@@ -190,9 +190,9 @@ in self: {
   };
 
   postgresql_9_6 = self.callPackage generic {
-    version = "9.6.17";
+    version = "9.6.18";
     psqlSchema = "9.6";
-    sha256 = "1hm0w6n988n9qn2wylhjq02i5ayzb16rzhgkcv09fpsl68ny7qgn";
+    sha256 = "16crr2a1sl97aiacqzd0bk56yl1abq6blc0c6qpx5rl5ny1c4zji";
     this = self.postgresql_9_6;
     inherit self;
   };