diff --git a/package-lock.json b/package-lock.json
index c0b8839..0688904 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -67,14 +67,21 @@
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     },
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.3.tgz",
-      "integrity": "sha1-wG9Zh3jETGsWGrr+NGa4GtGBTtI=",
-      "requires": {
-        "co": "4.6.0",
-        "fast-deep-equal": "1.0.0",
-        "json-schema-traverse": "0.3.1",
-        "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": {
+        "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=="
+        }
       }
     },
     "ajv-keywords": {
@@ -237,7 +244,8 @@
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       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "assertion-error": {
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@@ -1848,6 +1856,7 @@
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
       "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
       "dev": true,
+      "optional": true,
       "requires": {
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       }
@@ -2304,7 +2313,8 @@
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       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "depd": {
       "version": "1.1.1",
@@ -2652,6 +2662,18 @@
         "text-table": "0.2.0"
       },
       "dependencies": {
+        "ajv": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.3.tgz",
+          "integrity": "sha1-wG9Zh3jETGsWGrr+NGa4GtGBTtI=",
+          "dev": true,
+          "requires": {
+            "co": "^4.6.0",
+            "fast-deep-equal": "^1.0.0",
+            "json-schema-traverse": "^0.3.0",
+            "json-stable-stringify": "^1.0.1"
+          }
+        },
         "ansi-regex": {
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           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
@@ -2693,6 +2715,12 @@
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           "dev": true
         },
+        "fast-deep-equal": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+          "dev": true
+        },
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           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
@@ -2976,12 +3004,18 @@
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       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "fast-deep-equal": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz",
-      "integrity": "sha1-liVqO8l1WV6zbYLpkp0GDYk0Of8="
+      "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=="
+    },
+    "fast-json-stable-stringify": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
     },
     "fast-levenshtein": {
       "version": "2.0.6",
@@ -3318,6 +3352,28 @@
       "requires": {
         "ajv": "5.2.3",
         "har-schema": "2.0.0"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.3.tgz",
+          "integrity": "sha1-wG9Zh3jETGsWGrr+NGa4GtGBTtI=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "co": "^4.6.0",
+            "fast-deep-equal": "^1.0.0",
+            "json-schema-traverse": "^0.3.0",
+            "json-stable-stringify": "^1.0.1"
+          }
+        },
+        "fast-deep-equal": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+          "dev": true,
+          "optional": true
+        }
       }
     },
     "has": {
@@ -3396,7 +3452,8 @@
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/hoek/-/hoek-4.2.0.tgz",
       "integrity": "sha512-v0XCLxICi9nPfYrS9RL8HbYnXi9obYAeLbSP00BmnZwCK9+Ih9WOjoZ8YoHCoav2csqn4FOz4Orldsy2dmDwmQ==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "hoist-non-react-statics": {
       "version": "1.2.0",
@@ -4264,6 +4321,7 @@
     },
     "liform-react": {
       "version": "git://github.com/gastonche/liform-react.git#4382cb88f7f10e09759ae47f8959eaa3cb2d3e07",
+      "from": "git://github.com/gastonche/liform-react.git#4382cb88f7f10e09759ae47f8959eaa3cb2d3e07",
       "requires": {
         "ajv": "4.11.8",
         "classnames": "2.2.5",
@@ -5375,6 +5433,7 @@
           "resolved": "https://registry.npmjs.org/boom/-/boom-0.4.2.tgz",
           "integrity": "sha1-emNune1O/O+xnO9JR6PGffrukRs=",
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "0.9.1"
           }
@@ -5441,7 +5500,8 @@
           "version": "0.9.1",
           "resolved": "https://registry.npmjs.org/hoek/-/hoek-0.9.1.tgz",
           "integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "http-signature": {
           "version": "0.10.1",
@@ -6793,6 +6853,26 @@
       "dev": true,
       "requires": {
         "ajv": "5.2.3"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.3.tgz",
+          "integrity": "sha1-wG9Zh3jETGsWGrr+NGa4GtGBTtI=",
+          "dev": true,
+          "requires": {
+            "co": "^4.6.0",
+            "fast-deep-equal": "^1.0.0",
+            "json-schema-traverse": "^0.3.0",
+            "json-stable-stringify": "^1.0.1"
+          }
+        },
+        "fast-deep-equal": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+          "dev": true
+        }
       }
     },
     "select-hose": {
@@ -7248,6 +7328,18 @@
         "string-width": "2.1.1"
       },
       "dependencies": {
+        "ajv": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.3.tgz",
+          "integrity": "sha1-wG9Zh3jETGsWGrr+NGa4GtGBTtI=",
+          "dev": true,
+          "requires": {
+            "co": "^4.6.0",
+            "fast-deep-equal": "^1.0.0",
+            "json-schema-traverse": "^0.3.0",
+            "json-stable-stringify": "^1.0.1"
+          }
+        },
         "ansi-styles": {
           "version": "3.2.0",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.0.tgz",
@@ -7268,6 +7360,12 @@
             "supports-color": "4.4.0"
           }
         },
+        "fast-deep-equal": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+          "dev": true
+        },
         "has-flag": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
@@ -7518,6 +7616,21 @@
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
       "dev": true
     },
+    "uri-js": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
+      "requires": {
+        "punycode": "^2.1.0"
+      },
+      "dependencies": {
+        "punycode": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+          "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
+        }
+      }
+    },
     "url": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
@@ -7713,6 +7826,18 @@
         "yargs": "8.0.2"
       },
       "dependencies": {
+        "ajv": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.3.tgz",
+          "integrity": "sha1-wG9Zh3jETGsWGrr+NGa4GtGBTtI=",
+          "dev": true,
+          "requires": {
+            "co": "^4.6.0",
+            "fast-deep-equal": "^1.0.0",
+            "json-schema-traverse": "^0.3.0",
+            "json-stable-stringify": "^1.0.1"
+          }
+        },
         "async": {
           "version": "2.5.0",
           "resolved": "https://registry.npmjs.org/async/-/async-2.5.0.tgz",
@@ -7722,6 +7847,12 @@
             "lodash": "4.17.4"
           }
         },
+        "fast-deep-equal": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+          "dev": true
+        },
         "has-flag": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index ecf944b..8281015
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   },
   "homepage": "https://github.com/openwisp/netjsonconfig-editor.js#readme",
   "dependencies": {
-    "ajv": "^5.2.2",
+    "ajv": "^6.12.3",
     "babel-loader": "^7.1.1",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",