diff --git a/package.json b/package.json
index 0dd122f..3c13e67 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
   "optionalDependencies": {
     "@types/googlemaps": "3.36.4",
     "@types/markerclustererplus": "2.1.33",
-    "ajv": "6.10.0",
+    "ajv": "6.14.0",
     "typescript": "3.5.1"
   },
   "devDependencies": {