diff --git a/pkgs/top-level/build-for-release.nix b/pkgs/top-level/build-for-release.nix
index 2e159727ccf..5624df08006 100644
--- a/pkgs/top-level/build-for-release.nix
+++ b/pkgs/top-level/build-for-release.nix
@@ -75,6 +75,7 @@ let {
     hello
     iana_etc
     iputils
+    irssi
     jakartaregexp
     jdkPlugin
     jetty