diff --git a/packages/core/package.json b/packages/core/package.json
index 1b876575c2..8145748fac 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -66,7 +66,7 @@
     "lodash.groupby": "^4.6.0",
     "log4js": "6.1.2",
     "mkdirp": "~1.0.3",
-    "mutation-testing-elements": "^1.0.2",
+    "mutation-testing-elements": "~1.3.0",
     "mutation-testing-metrics": "~1.3.0",
     "progress": "~2.0.0",
     "rimraf": "~3.0.0",