diff --git a/package-lock.json b/package-lock.json
index eb87f55..ecdb3aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -84,14 +84,21 @@
       "dev": true
     },
     "ajv": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.2.tgz",
-      "integrity": "sha512-hOs7GfvI6tUI1LfZddH82ky6mOMyTuY0mk7kE2pWpmhhUSkumzaTO5vbVwij39MdwPQWCV4Zv57Eo06NtL/GVA==",
+      "version": "6.12.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
+      "integrity": "sha512-4K0cK3L1hsqk9xIb2z9vs/XU+PGJZ9PNpJRDS9YLzmNdX6jmVPfamLvTJr0aDAusnHyCHO6MjzlkAsgtqp9teA==",
       "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": "^4.2.1"
+        "uri-js": "^4.2.2"
+      },
+      "dependencies": {
+        "fast-deep-equal": {
+          "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=="
+        }
       }
     },
     "ansi-escapes": {
@@ -499,7 +506,8 @@
     "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="
+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+      "dev": true
     },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
@@ -1022,9 +1030,9 @@
       }
     },
     "plurals-cldr": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/plurals-cldr/-/plurals-cldr-1.0.3.tgz",
-      "integrity": "sha1-XGTEZLwXO1MLFIiT61SS71kS2Cc=",
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/plurals-cldr/-/plurals-cldr-1.0.4.tgz",
+      "integrity": "sha512-4nLXqtel7fsCgzi8dvRZvUjfL8SXpP982sKg7b2TgpnR8rDnes06iuQ83trQ/+XdtyMIQkBBbKzX6x97eLfsJQ==",
       "dev": true
     },
     "prelude-ls": {
diff --git a/package.json b/package.json
index 7f332fb..2d55f62 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "sinon": "^6.1.3"
   },
   "dependencies": {
-    "ajv": "6.5.2",
+    "ajv": "6.12.3",
     "loader-utils": "1.1.0",
     "lodash.get": "4.4.2",
     "lodash.isplainobject": "4.0.6",