diff --git a/pkgs/top-level/build-for-release.nix b/pkgs/top-level/build-for-release.nix
index 58671f6dcad7..98e4bbdf3992 100644
--- a/pkgs/top-level/build-for-release.nix
+++ b/pkgs/top-level/build-for-release.nix
@@ -121,6 +121,7 @@ let {
     strace
     strategoxt
     strategoxtUtils
+    su
     subversion
     sylpheed 
     sysklogd