diff --git a/package-lock.json b/package-lock.json
index 5d8c0c4..73c38db 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -437,12 +437,12 @@
       "dev": true
     },
     "ajv": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.4.tgz",
-      "integrity": "sha512-4Wyjt8+t6YszqaXnLDfMmG/8AlO5Zbcsy3ATHncCzjW/NoPzAId8AK6749Ybjmdt+kUY1gP60fCu46oDxPv/mg==",
+      "version": "6.12.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
+      "integrity": "sha512-4K0cK3L1hsqk9xIb2z9vs/XU+PGJZ9PNpJRDS9YLzmNdX6jmVPfamLvTJr0aDAusnHyCHO6MjzlkAsgtqp9teA==",
       "dev": true,
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
@@ -4123,9 +4123,9 @@
       "dev": true
     },
     "fast-deep-equal": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
       "dev": true
     },
     "fast-json-stable-stringify": {
diff --git a/package.json b/package.json
index 52c2275..eda9f76 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "@types/jest": "23.3.5",
     "@types/node": "10.11.7",
     "@types/zipcelx": "^1.5.0",
-    "ajv": "6.5.4",
+    "ajv": "6.12.3",
     "awesome-typescript-loader": "5.2.1",
     "commitizen": "3.0.7",
     "cross-var": "1.1.0",