diff --git a/nix/sources.json b/nix/sources.json
index ed65bc06..5c20482a 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -34,7 +34,7 @@
         "branch": "master",
         "ref": "master",
         "repo": "git@hera.m-0.eu:kassandra2",
-        "rev": "b77b43523bdd12b4f60af675f304cc30fcf51b1e",
+        "rev": "b19a76e76ae435f538fd646c4bd25c6b20401ba8",
         "type": "git"
     },
     "logfeed": {