diff --git a/package-lock.json b/package-lock.json
index 280b6ed..98787a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -224,7 +224,7 @@
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@@ -2087,27 +2087,21 @@
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@@ -3397,7 +3391,7 @@
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@@ -6173,7 +6167,8 @@
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@@ -6194,12 +6189,14 @@
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@@ -17429,6 +17494,18 @@
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+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+          "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+          "dev": true,
+          "requires": {
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+            "fast-json-stable-stringify": "^2.0.0",
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@@ -17459,6 +17536,12 @@
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+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
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@@ -17474,6 +17557,12 @@
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+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
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@@ -17889,7 +17978,7 @@
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diff --git a/package.json b/package.json
index b33b796..b2be014 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
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-    "ajv": "~5.2.2",
+    "ajv": "~6.12.3",
     "gulp": "^3.9.1"
   }
 }