diff --git a/nix/sources.json b/nix/sources.json
index 3fdaa1f..165c9e2 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "rhinofi",
         "repo": "rhino-core",
-        "rev": "8424a851d2bd6913bbf111859e2aeda2a8924c7a",
-        "sha256": "1zvk99gfa5lfzvkyzjxlpp05abfvvyixzwhhshr3nc5gjq8yiiwb",
+        "rev": "0421fbfc753ab47c57d87294ca811fc0a6e2092b",
+        "sha256": "1l5a9idngww54i3g556m6nb1n17mcmpbffnybrafz6hfrv1ck4xg",
         "type": "tarball",
-        "url": "https://github.com/rhinofi/rhino-core/archive/8424a851d2bd6913bbf111859e2aeda2a8924c7a.tar.gz",
+        "url": "https://github.com/rhinofi/rhino-core/archive/0421fbfc753ab47c57d87294ca811fc0a6e2092b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }