diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 7d2d823e5..5ebbbd442 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
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+      "resolved": "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
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@@ -7364,7 +7364,7 @@
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-      "resolved": "http://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz",
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-      "resolved": "http://registry.npmjs.org/promise/-/promise-1.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/promise/-/promise-1.3.0.tgz",
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@@ -8141,7 +8141,7 @@
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-      "resolved": "http://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz",
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@@ -8881,7 +8881,7 @@
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-      "resolved": "http://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
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@@ -9967,7 +9955,7 @@
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-      "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
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@@ -10957,18 +10945,6 @@
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-                "safe-buffer": "~5.1.0",
-                "ultron": "~1.1.0"
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@@ -11186,6 +11162,16 @@
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+      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
+      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
+      "requires": {
+        "async-limiter": "~1.0.0",
+        "safe-buffer": "~5.1.0",
+        "ultron": "~1.1.0"
+      }
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@@ -11271,7 +11257,7 @@
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-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
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@@ -11292,7 +11278,7 @@
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-          "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
           "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
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diff --git a/package.json b/package.json
index 39a023ea8..0377a4ed4 100644
--- a/package.json
+++ b/package.json
@@ -94,8 +94,8 @@
     "uuid": "3.3.2",
     "viz.js": "1.8.2",
     "web3": "1.0.0-beta.36",
-    "webpack": "^4.16.1",
-    "window-size": "^1.1.0"
+    "webpack": "4.18.0",
+    "window-size": "1.1.1"
   },
   "author": "Iuri Matias <iuri.matias@gmail.com>",
   "contributors": [],