diff --git a/hydra/mcu.json b/hydra/mcu.json
index 404b0d0..38ef38f 100644
--- a/hydra/mcu.json
+++ b/hydra/mcu.json
@@ -14,7 +14,7 @@
             "nixpkgs": { "type": "git", "value": "https://github.com/NixOS/nixpkgs.git nixos-23.11", "emailresponsible": false },
             "mozillaOverlay": { "type": "git", "value": "https://github.com/mozilla/nixpkgs-mozilla.git", "emailresponsible": false },
             "nixScripts": { "type": "git", "value": "https://git.m-labs.hk/M-Labs/nix-scripts.git", "emailresponsible": false },
-            "stabilizerSrc": { "type": "git", "value": "https://github.com/quartiq/stabilizer.git", "emailresponsible": false },
+            "stabilizerSrc": { "type": "git", "value": "https://github.com/quartiq/stabilizer.git main", "emailresponsible": false },
             "saymaMmcSrc": { "type": "git", "value": "https://github.com/sinara-hw/openMMC.git sayma-devel", "emailresponsible": false }
         }
     },