diff --git a/package-lock.json b/package-lock.json
index 0a5908e..45e42f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1481,9 +1481,9 @@
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@@ -3019,22 +3019,41 @@
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+      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-4.2.0.tgz",
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+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-5.0.0.tgz",
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+            "graceful-fs": "4.1.11",
+            "jsonfile": "4.0.0",
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+          "resolved": "https://registry.npmjs.org/fs-extra-p/-/fs-extra-p-4.5.2.tgz",
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+          "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
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@@ -4563,12 +4582,12 @@
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-      "resolved": "https://registry.npmjs.org/electron/-/electron-1.7.13.tgz",
-      "integrity": "sha1-EIUbrsd9aG2VgS80QlwX5IrBQT8=",
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+        "@types/node": "8.10.0",
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@@ -4955,19 +4974,19 @@
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+      "version": "2.21.3",
+      "resolved": "https://registry.npmjs.org/electron-updater/-/electron-updater-2.21.3.tgz",
+      "integrity": "sha512-fBMd16RIOkMfbNMus5sCeLo+hYDZ9SQGEF5xryw0PV+UTEV3fNpuAhoYskMwp30wofwm9F8bT6C6Qq56a2GoeQ==",
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-        "builder-util-runtime": "4.0.3",
+        "builder-util-runtime": "4.2.0",
         "electron-is-dev": "0.3.0",
-        "fs-extra-p": "4.5.0",
-        "js-yaml": "3.10.0",
+        "fs-extra-p": "4.5.2",
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         "lodash.isequal": "4.5.0",
         "semver": "5.5.0",
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@@ -4975,14 +4994,54 @@
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+        "fs-extra": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-5.0.0.tgz",
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+          "requires": {
+            "graceful-fs": "4.1.11",
+            "jsonfile": "4.0.0",
+            "universalify": "0.1.1"
+          }
+        },
+        "fs-extra-p": {
+          "version": "4.5.2",
+          "resolved": "https://registry.npmjs.org/fs-extra-p/-/fs-extra-p-4.5.2.tgz",
+          "integrity": "sha512-ZYqFpBdy9w7PsK+vB30j+TnHOyWHm/CJbUq1qqoE8tb71m6qgk5Wa7gp3MYQdlGFxb9vfznF+yD4jcl8l+y91A==",
+          "requires": {
+            "bluebird-lst": "1.0.5",
+            "fs-extra": "5.0.0"
+          }
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-          "version": "3.10.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.10.0.tgz",
-          "integrity": "sha512-O2v52ffjLa9VeM43J4XocZE//WT9N0IiwDa3KSHH7Tu8CtH+1qM8SIZvnsTh6v+4yFy5KUY3BHUVwjpfAWsjIA==",
+          "version": "3.11.0",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.11.0.tgz",
+          "integrity": "sha512-saJstZWv7oNeOyBh3+Dx1qWzhW0+e6/8eDzo7p5rDFqxntSztloLtuKu+Ejhtq82jsilwOIZYsCz+lIjthg1Hw==",
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             "argparse": "1.0.9",
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+        "jsonfile": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+          "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+          "requires": {
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+        "source-map": {
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+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
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+        "source-map-support": {
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+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.4.tgz",
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@@ -5610,6 +5669,7 @@
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+      "dev": true,
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@@ -5619,6 +5679,7 @@
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+          "dev": true,
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@@ -5629,6 +5690,7 @@
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           "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
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@@ -11196,6 +11258,7 @@
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+      "dev": true,
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@@ -11203,7 +11266,8 @@
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+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
         }
       }
     },
diff --git a/package.json b/package.json
index e68555f..71c35ad 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
     "diskusage": "^0.2.4",
     "electron-context-menu": "^0.9.1",
     "electron-log": "^2.2.14",
-    "electron-updater": "^2.20.1",
+    "electron-updater": "^2.21.3",
     "fs-jetpack": "^1.2.0",
     "iconv-lite": "^0.4.19",
     "ipaddr.js": "^1.5.4",
@@ -127,7 +127,7 @@
     "babel-plugin-transform-object-rest-spread": "^7.0.0-beta.3",
     "chai": "^4.1.2",
     "css-loader": "^0.28.7",
-    "electron": "1.7.13",
+    "electron": "1.8.4",
     "electron-builder": "^19.56.2",
     "friendly-errors-webpack-plugin": "^1.6.1",
     "mocha": "^5.0.5",