diff --git a/package-lock.json b/package-lock.json
index 1431ff3..7e04f3f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2034,12 +2034,21 @@
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     "ajv": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.0.0.tgz",
-      "integrity": "sha1-oscXdk6ANtFf0iewcN2veGerQTo=",
-      "requires": {
-        "co": "^4.6.0",
-        "json-stable-stringify": "^1.0.1"
+      "version": "6.12.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
+      "integrity": "sha512-4K0cK3L1hsqk9xIb2z9vs/XU+PGJZ9PNpJRDS9YLzmNdX6jmVPfamLvTJr0aDAusnHyCHO6MjzlkAsgtqp9teA==",
+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "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=="
+        }
       }
     },
     "ajv-errors": {
@@ -3346,7 +3355,8 @@
     "co": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
-      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
+      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
+      "dev": true
     },
     "coa": {
       "version": "2.0.2",
@@ -7799,14 +7809,6 @@
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     },
-    "json-stable-stringify": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz",
-      "integrity": "sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=",
-      "requires": {
-        "jsonify": "~0.0.0"
-      }
-    },
     "json-stable-stringify-without-jsonify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz",
@@ -7845,7 +7847,8 @@
     "jsonify": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.0.tgz",
-      "integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM="
+      "integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=",
+      "dev": true
     },
     "jsprim": {
       "version": "1.4.1",
diff --git a/package.json b/package.json
index e9ac9a3..31b25f0 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
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     "@tensorflow/tfjs": "^0.15.2",
-    "ajv": "^5.0.0",
+    "ajv": "^6.12.3",
     "axios": "^0.18.0",
     "bulma": "^0.7.2",
     "chart.js": "^2.8.0",