.npmrc

+; Set URL for your scoped packages.
+; For example package with name `@coscine/bar` will use this URL for download
+@coscine:registry=https://git.rwth-aachen.de/api/v4/packages/npm/
+
+; Add the OAuth token for the scoped packages URL. This will allow you to download
+; `@coscine/` packages from private projects.
+//git.rwth-aachen.de/api/v4/packages/npm/:_authToken=${NPM_TOKEN}
+
+; Add OAuth token for uploading to the registry. Replace <your_project_id>
+; with the project you want your package to be uploaded to.
+//git.rwth-aachen.de/api/v4/projects/26381/packages/npm/:_authToken=${NPM_TOKEN}

package.json

 {
   "name": "@coscine/x-jstemplate",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "",
   "main": "index.js",
   "scripts": {
@@ -47,7 +47,7 @@
   },
   "publishConfig": {
     "access": "public",
-    "registry": "https://git.rwth-aachen.de/api/v4/projects/26381/packages/npm/",
+    "@coscine:registry": "https://git.rwth-aachen.de/api/v4/projects/26381/packages/npm/",
     "tag": "latest"
   },
   "dependencies": {