diff --git a/pkgs/top-level/build-for-release.nix b/pkgs/top-level/build-for-release.nix
index e894176e80d..c86c474c3e5 100644
--- a/pkgs/top-level/build-for-release.nix
+++ b/pkgs/top-level/build-for-release.nix
@@ -48,6 +48,7 @@ let
       emboss
       enscript
       evince
+      expect
       exult
       feh
       file