diff --git a/pkgs/by-name/el/element-desktop/seshat/default.nix b/pkgs/by-name/el/element-desktop/seshat/default.nix
index 5e3bb3f0aa07..cafc33f1eaf8 100644
--- a/pkgs/by-name/el/element-desktop/seshat/default.nix
+++ b/pkgs/by-name/el/element-desktop/seshat/default.nix
@@ -29,6 +29,8 @@ rustPlatform.buildRustPackage rec {
 
   sourceRoot = "${src.name}/seshat-node/native";
 
+  useFetchCargoVendor = true;
+
   nativeBuildInputs = [
     nodejs
     python3
diff --git a/pkgs/by-name/el/element-desktop/seshat/pin.json b/pkgs/by-name/el/element-desktop/seshat/pin.json
index f0648d11f2e0..aacdffa1ddd2 100644
--- a/pkgs/by-name/el/element-desktop/seshat/pin.json
+++ b/pkgs/by-name/el/element-desktop/seshat/pin.json
@@ -2,5 +2,5 @@
   "version": "2.3.3",
   "srcHash": "sha256-HmKHWFoO8TQ9S/RcJnJ3h85/2uSkqGrgLnX82hkux4Q=",
   "yarnHash": "1cbkv8ap7f8vxl5brzqb86d2dyxg555sz67cldrp0vgnk8sq6ibp",
-  "cargoHash": "sha256-WsgTbQ91aZZV5sIuFVjsccdiXivjtAUC1Zs/4uNk1zU="
+  "cargoHash": "sha256-klrFk0gpqQu/9MzLEYMNqEBETZMXtZJX67Sm5ZqyHfE=="
 }