diff --git a/package.json b/package.json
index 6fe4a9f44..5d1855fa9 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "@types/require-from-string": "^1.2.0",
     "@typescript-eslint/eslint-plugin": "^3.8.0",
     "@typescript-eslint/parser": "^3.8.0",
-    "ajv-formats": "^0.6.1",
+    "ajv-formats": "^1.5.0",
     "browserify": "^17.0.0",
     "chai": "^4.0.1",
     "cross-env": "^7.0.2",