diff --git a/pkgs/development/tools/continuous-integration/jenkins/default.nix b/pkgs/development/tools/continuous-integration/jenkins/default.nix
index ebf4376d4aac..34f0b58f4b41 100644
--- a/pkgs/development/tools/continuous-integration/jenkins/default.nix
+++ b/pkgs/development/tools/continuous-integration/jenkins/default.nix
@@ -51,11 +51,10 @@ stdenv.mkDerivation rec {
 
       version="$(jq -r .version <<<$core_json)"
       sha256="$(jq -r .sha256 <<<$core_json)"
-      hash="$(nix-hash --type sha256 --to-base32 "$sha256")"
-      url="$(jq -r .url <<<$core_json)"
+      hash="$(nix hash to-sri --type sha256 "$sha256")"
 
       if [ ! "$oldVersion" = "$version" ]; then
-        update-source-version jenkins "$version" "$hash" "$url"
+        update-source-version jenkins "$version" "$hash"
         nixpkgs="$(git rev-parse --show-toplevel)"
         default_nix="$nixpkgs/pkgs/development/tools/continuous-integration/jenkins/default.nix"
         nixfmt "$default_nix"