diff --git a/depgraph-navigator/package.json b/depgraph-navigator/package.json
index 80bed39..8fcecb2 100644
--- a/depgraph-navigator/package.json
+++ b/depgraph-navigator/package.json
@@ -30,7 +30,7 @@
     "src"
   ],
   "dependencies": {
-    "@theia/core": "next",
+    "@theia/core": "0.6.0",
     "@theia/navigator": "next",
     "elkjs": "latest",
     "semver": "^5.5.0",