diff --git a/package.json b/package.json
index ec2dc37..e85b8e7 100644
--- a/package.json
+++ b/package.json
@@ -11,9 +11,9 @@
   "dependencies": {
     "@jsonforms/core": "^2.0.8",
     "@jsonforms/material-tree-renderer": "^2.0.11",
-    "@theia/core": "latest",
-    "@theia/editor": "latest",
-    "@theia/filesystem": "latest",
+    "@theia/core": "0.3.13",
+    "@theia/editor": "0.3.13",
+    "@theia/filesystem": "0.3.13",
     "react": "^16.4.0",
     "react-dom": "^16.4.0",
     "react-redux": "^4.4.9",