diff --git a/package.json b/package.json
index 50d5de4a..9e15417f 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "karma-jasmine-html-reporter": "^1.4.0",
     "ng-packagr": "^4.4.0",
     "ts-node": "~7.0.1",
-    "tsickle": ">=0.34.0",
+    "tsickle": "0.34.0",
     "tslib": "^1.9.3",
     "tslint": "~5.11.0",
     "typescript": "~3.4.5"