diff --git a/nix/sources.json b/nix/sources.json
index 6d416d42fad..8d822b75d10 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -48,15 +48,15 @@
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "iohk-nix": {
-        "branch": "master",
+        "branch": "jordan/default-tracers-config-file",
         "description": "nix scripts shared across projects",
         "homepage": null,
         "owner": "input-output-hk",
         "repo": "iohk-nix",
-        "rev": "d651b042b10211b78ba86950f98cd21b5a33e9ea",
-        "sha256": "169z4mgsdy1bgiy954ayjp9ymiid02f7zlp5ifq8xpy7xs8hx0rm",
+        "rev": "e0c0a1490cec7a3bb049a850d26011a40243cf2a",
+        "sha256": "1h5jd10pb8a7n18m5f123imw7nzikpawp3vbqsmhysmfazj61gpb",
         "type": "tarball",
-        "url": "https://github.com/input-output-hk/iohk-nix/archive/d651b042b10211b78ba86950f98cd21b5a33e9ea.tar.gz",
+        "url": "https://github.com/input-output-hk/iohk-nix/archive/e0c0a1490cec7a3bb049a850d26011a40243cf2a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "niv": {