diff --git a/nix/sources.json b/nix/sources.json
index 3fdaa1f..b6353ee 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "rhinofi",
         "repo": "rhino-core",
-        "rev": "8424a851d2bd6913bbf111859e2aeda2a8924c7a",
-        "sha256": "1zvk99gfa5lfzvkyzjxlpp05abfvvyixzwhhshr3nc5gjq8yiiwb",
+        "rev": "4f490d8b9b4526e4a342fcd67ca8ced7023d1dd7",
+        "sha256": "1rd2grv4v3iq6kk3xaxb0yaqdgxa3xkprlr4j9wk0941pvpnr3xg",
         "type": "tarball",
-        "url": "https://github.com/rhinofi/rhino-core/archive/8424a851d2bd6913bbf111859e2aeda2a8924c7a.tar.gz",
+        "url": "https://github.com/rhinofi/rhino-core/archive/4f490d8b9b4526e4a342fcd67ca8ced7023d1dd7.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }