diff --git a/nix/sources.json b/nix/sources.json
index ef32cd1d0d..b3ae03c8ca 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -28,7 +28,7 @@
     "common": {
         "ref": "master",
         "repo": "ssh://git@github.com/dfinity-lab/common",
-        "rev": "8ab61d8774c6976c61e52040135bf5dc609fabe4",
+        "rev": "18b21123f4bf7208be86e2f8865cc6f2328f09c2",
         "type": "git"
     },
     "dfinity": {