diff --git a/plugins/periskop/package.json b/plugins/periskop/package.json
index 1ed2e39707e435..19e5a8b4d8b6fa 100644
--- a/plugins/periskop/package.json
+++ b/plugins/periskop/package.json
@@ -23,12 +23,12 @@
     "clean": "backstage-cli package clean"
   },
   "dependencies": {
-    "@backstage/catalog-model": "workspace:^",
+    "@backstage/catalog-model": "0.1.1",
     "@backstage/core-components": "workspace:^",
     "@backstage/core-plugin-api": "workspace:^",
     "@backstage/errors": "workspace:^",
-    "@backstage/plugin-catalog-react": "workspace:^",
-    "@backstage/theme": "workspace:^",
+    "@backstage/plugin-catalog-react": "1.0.0",
+    "@backstage/theme": "0.1.1",
     "@material-ui/core": "^4.12.2",
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "4.0.0-alpha.61",