diff --git a/makefu/2configs/default.nix b/makefu/2configs/default.nix
index 8038142ac..bcd998826 100644
--- a/makefu/2configs/default.nix
+++ b/makefu/2configs/default.nix
@@ -22,7 +22,7 @@ with import <stockholm/lib>;
       user = config.krebs.users.makefu;
       source = let
           inherit (config.krebs.build) host user;
-          ref = "f6a2c46"; # unstable @ 2017-06-18 + graceful requests2
+          ref = "7a7c39c"; # unstable @ 2017-05-09 + graceful requests2 + logstash5
       in {
         nixpkgs = if config.makefu.full-populate || (getEnv "dummy_secrets" == "true") then
           {
diff --git a/makefu/2configs/deployment/dirctator.nix b/makefu/2configs/deployment/dirctator.nix
index 14d5918cb..b8e61955d 100644
--- a/makefu/2configs/deployment/dirctator.nix
+++ b/makefu/2configs/deployment/dirctator.nix
@@ -10,6 +10,7 @@ let
   '';
 in {
   services.logstash = {
+    package = pkgs.logstash5;
     enable = true;
     inputConfig = ''
       irc {