diff --git a/package-lock.json b/package-lock.json
index be7b426..c633b37 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -535,14 +535,6 @@
         "minimalistic-crypto-utils": "^1.0.0"
       }
     },
-    "encoding": {
-      "version": "0.1.12",
-      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
-      "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=",
-      "requires": {
-        "iconv-lite": "~0.4.13"
-      }
-    },
     "end-of-stream": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
@@ -732,14 +724,6 @@
       "resolved": "https://registry.npmjs.org/i/-/i-0.3.5.tgz",
       "integrity": "sha1-HSuFQVjsgWkRPGy39raAHpniEdU="
     },
-    "iconv-lite": {
-      "version": "0.4.21",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.21.tgz",
-      "integrity": "sha512-En5V9za5mBt2oUA03WGD3TwDv0MKAruqsuxstbMUZaj9W9k/m1CV/9py3l0L5kw9Bln8fdHQmzHSYtvpvTLpKw==",
-      "requires": {
-        "safer-buffer": "^2.1.0"
-      }
-    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -1239,18 +1223,18 @@
       }
     },
     "node-cron": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/node-cron/-/node-cron-1.2.1.tgz",
-      "integrity": "sha1-jJC8XccjpWKJsHhmVatKHEy2A2g="
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/node-cron/-/node-cron-2.0.3.tgz",
+      "integrity": "sha512-eJI+QitXlwcgiZwNNSRbqsjeZMp5shyajMR81RZCqeW0ZDEj4zU9tpd4nTh/1JsBiKbF8d08FCewiipDmVIYjg==",
+      "requires": {
+        "opencollective-postinstall": "^2.0.0",
+        "tz-offset": "0.0.1"
+      }
     },
     "node-fetch": {
-      "version": "1.7.3",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.3.tgz",
-      "integrity": "sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==",
-      "requires": {
-        "encoding": "^0.1.11",
-        "is-stream": "^1.0.1"
-      }
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.3.0.tgz",
+      "integrity": "sha512-MOd8pV3fxENbryESLgVIeaGKrdl+uaYhCSSVkjeOb/31/njTpcis5aWfdqgNlHIrKOLRbMnfPINPOML2CIFeXA=="
     },
     "node-forge": {
       "version": "0.7.5",
@@ -1284,6 +1268,11 @@
         "wrappy": "1"
       }
     },
+    "opencollective-postinstall": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/opencollective-postinstall/-/opencollective-postinstall-2.0.2.tgz",
+      "integrity": "sha512-pVOEP16TrAO2/fjej1IdOyupJY8KDUM1CvsaScRbw6oddvpQoOfGk4ywha0HKKVAD6RkW4x6Q+tNBwhf3Bgpuw=="
+    },
     "optimist": {
       "version": "0.3.7",
       "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.3.7.tgz",
@@ -1541,11 +1530,6 @@
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
       "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
     },
-    "safer-buffer": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
-    },
     "scrypt-js": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.4.tgz",
@@ -1753,6 +1737,11 @@
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
+    "tz-offset": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/tz-offset/-/tz-offset-0.0.1.tgz",
+      "integrity": "sha512-kMBmblijHJXyOpKzgDhKx9INYU4u4E1RPMB0HqmKSgWG8vEcf3exEfLh4FFfzd3xdQOw9EuIy/cP0akY6rHopQ=="
+    },
     "union-value": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-0.2.4.tgz",
diff --git a/package.json b/package.json
index 3895e7b..1f4bab4 100644
--- a/package.json
+++ b/package.json
@@ -13,8 +13,8 @@
     "ethers": "^4.0.27",
     "group-array": "^0.3.3",
     "kosmos-schemas": "^1.1.2",
-    "node-cron": "^1.2.1",
-    "node-fetch": "^1.6.3",
+    "node-cron": "^2.0.3",
+    "node-fetch": "^2.3.0",
     "prompt": "^1.0.0",
     "kredits-contracts": "3.x"
   },