diff --git a/packages/core/package.json b/packages/core/package.json
index 55f5cae..5d02605 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -18,7 +18,7 @@
     "chai": "^4.2.0",
     "chai-immutable": "^2.0.0-rc.3",
     "mocha": "^5.2.0",
-    "nyc": "^13.1.0"
+    "nyc": "^14.1.1"
   },
   "dependencies": {
     "immutable": "^3.8.2",