diff --git a/.gitignore b/.gitignore
index 680753f5..cacd9c00 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ coverage
 node_modules/
 npm-debug.log
 npm-debug.log.*
+yarn-error.log
 thumbs.db
 !.gitkeep
 .idea
diff --git a/package.json b/package.json
index 7b165b08..cfca688a 100644
--- a/package.json
+++ b/package.json
@@ -142,9 +142,9 @@
     "@hfelix/electron-localshortcut": "^3.1.1",
     "axios": "^0.18.0",
     "chokidar": "^2.1.2",
-    "codemirror": "^5.44.0",
+    "codemirror": "^5.45.0",
     "command-exists": "^1.2.8",
-    "dayjs": "^1.8.10",
+    "dayjs": "^1.8.11",
     "dompurify": "^1.0.10",
     "electron-is-accelerator": "^0.1.2",
     "element-resize-detector": "^1.2.0",
@@ -193,7 +193,7 @@
     "css-loader": "^2.1.1",
     "del": "^4.0.0",
     "devtron": "^1.4.0",
-    "electron": "^4.0.8",
+    "electron": "^4.1.1",
     "electron-builder": "^20.39.0",
     "electron-debug": "^2.1.0",
     "electron-devtools-installer": "^2.2.4",
diff --git a/src/renderer/util/day.js b/src/renderer/util/day.js
index 6677f339..50c58cb3 100644
--- a/src/renderer/util/day.js
+++ b/src/renderer/util/day.js
@@ -1,8 +1,9 @@
 import dayjs from 'dayjs/esm'
 import relativeTime from 'dayjs/esm/plugin/relativeTime'
-import 'dayjs/esm/locale/en' // load on demand
 
-dayjs.locale('en') // use Spanish locale globally
+// `en` is a built in locale. no need to import it.
+// import 'dayjs/esm/locale/en' // load on demand
+// dayjs.locale('en') // use en locale globally
 
 dayjs.extend(relativeTime)
 
diff --git a/yarn.lock b/yarn.lock
index c5e52599..e1b0fcb7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -143,9 +143,9 @@
   integrity sha1-5zZWSMG0ITalnH1QQGN7O1yDthQ=
 
 "@types/node@^10.12.18":
-  version "10.14.1"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.14.1.tgz#8701cd760acc20beba5ffe0b7a1b879f39cb8c41"
-  integrity sha512-Rymt08vh1GaW4vYB6QP61/5m/CFLGnFZP++bJpWbiNxceNa6RBipDmb413jvtSf/R1gg5a/jQVl2jY4XVRscEA==
+  version "10.14.3"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.14.3.tgz#170a81168620d931cc3b83460be253cadd3028f1"
+  integrity sha512-2lhc7S28vo8FwR3Jv3Ifyd77AxEsx+Nl9ajWiac6/eWuvZ84zPK4RE05pfqcn3acIzlZDpQj5F1rIKQZX3ptLQ==
 
 "@types/q@^1.5.1":
   version "1.5.2"
@@ -2265,10 +2265,10 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
   integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
 
-codemirror@^5.44.0:
-  version "5.44.0"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.44.0.tgz#80dc2a231eeb7aab25ec2405cdca37e693ccf9cc"
-  integrity sha512-3l42syTNakCdCQuYeZJXTyxina6Y9i4V0ighSJXNCQtRbaCN76smKKLu1ZHPHQon3rnzC7l4i/0r4gp809K1wg==
+codemirror@^5.45.0:
+  version "5.45.0"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.45.0.tgz#db5ebbb3bf44028c684053f3954d011efcec27ad"
+  integrity sha512-c19j644usCE8gQaXa0jqn2B/HN9MnB2u6qPIrrhrMkB+QAP42y8G4QnTwuwbVSoUS1jEl7JU9HZMGhCDL0nsAw==
 
 collection-visit@^1.0.0:
   version "1.0.0"
@@ -3168,10 +3168,10 @@ dateformat@^1.0.6:
     get-stdin "^4.0.1"
     meow "^3.3.0"
 
-dayjs@^1.8.10:
-  version "1.8.10"
-  resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.8.10.tgz#fc35a976ccac2a9c44b50485a06c4a5ecf5d1b37"
-  integrity sha512-U+7kBBkJzPWww0vNeMkaBeJwnkivTACoajm+bTfwparjFcPI6/5JSQN40WVnX6yCsm20oGf1SkMkIIp4m/boAw==
+dayjs@^1.8.11:
+  version "1.8.11"
+  resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.8.11.tgz#1e0e681c9f1b6668d92dfe71289500ae0990529d"
+  integrity sha512-eBvWmKn52ax/TBYg7f+tzzqARPl0D0/NUmf5QrZ0Pp+/vFoTP3Q7y4t6p438+5NPN+t8y8Sps3Ed34OV8sNFBQ==
 
 de-indent@^1.0.2:
   version "1.0.2"
@@ -3762,10 +3762,10 @@ electron-window-state@^5.0.3:
     jsonfile "^4.0.0"
     mkdirp "^0.5.1"
 
-electron@^4.0.8:
-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-4.0.8.tgz#b7998b16543d2094f081757a0c5afdb8875ea510"
-  integrity sha512-FOBJIHkuv8wc15N+ZyqwDzPavYVu5CHMBEf14jHDWv7QW2vkEIpJjVK+PIT31kfZfvjsIP0j2wvA/FBsiqB7pw==
+electron@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-4.1.1.tgz#dc9343ba829cabbf01364761e72796f766704184"
+  integrity sha512-ABIEXTw55eiCW30a6F8fWLHL0QeH+yK3JgZpvTZZWLnkO5/SmG38avMxRhKOUQstRpYb+EEpE8IAM2DVOaTvtw==
   dependencies:
     "@types/node" "^10.12.18"
     electron-download "^4.1.0"