diff --git a/package-lock.json b/package-lock.json
index 0bcd661..dcfaae7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -246,14 +246,29 @@
       }
     },
     "ajv": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.3.0.tgz",
-      "integrity": "sha1-FlCkERTvAFdMrBC4Ay2PTBSBLac=",
+      "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": "^1.0.0",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "json-schema-traverse": "^0.4.1",
+        "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==",
+          "dev": true
+        },
+        "json-schema-traverse": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+          "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+          "dev": true
+        }
       }
     },
     "ajv-errors": {
diff --git a/package.json b/package.json
index ae45d08..2cf8119 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     },
     "devDependencies": {
         "@fullhuman/postcss-purgecss": "^1.1.0",
-        "ajv": "^6.3.0",
+        "ajv": "^6.12.3",
         "autoprefixer": "^9.3.1",
         "babel-core": "^6.26.3",
         "babel-loader": "^7.1.4",