diff --git a/package.json b/package.json
index 4c3f1dd..b1b2230 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "url": "https://wpusermanager.com"
   },
   "devDependencies": {
-    "grunt": "~0.4.5",
+    "grunt": "~1.3.0",
     "grunt-contrib-clean": "~0.6.0",
     "grunt-contrib-compress": "~0.12.0",
     "grunt-contrib-copy": "~0.7.0",
diff --git a/yarn.lock b/yarn.lock
index 80fca6b..04e4d7b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -50,14 +50,6 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
-"argparse@~ 0.1.11":
-  version "0.1.16"
-  resolved "https://registry.yarnpkg.com/argparse/-/argparse-0.1.16.tgz#cfd01e0fbba3d6caed049fbd758d40f65196f57c"
-  integrity sha1-z9AeD7uj1srtBJ+9dY1A9lGW9Xw=
-  dependencies:
-    underscore "~1.7.0"
-    underscore.string "~2.4.0"
-
 arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
@@ -115,11 +107,6 @@ async@^0.9.0, async@~0.9.0:
   resolved "https://registry.yarnpkg.com/async/-/async-0.9.2.tgz#aea74d5e61c1f899613bf64bda66d4c78f2fd17d"
   integrity sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0=
 
-async@~0.1.22:
-  version "0.1.22"
-  resolved "https://registry.yarnpkg.com/async/-/async-0.1.22.tgz#0fc1aaa088a0e3ef0ebe2d8831bab0dcf8845061"
-  integrity sha1-D8GqoIig4+8Ovi2IMbqw3PiEUGE=
-
 async@~1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -261,11 +248,6 @@ clean-css@~2.2.0:
   dependencies:
     commander "2.2.x"
 
-coffee-script@~1.3.3:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/coffee-script/-/coffee-script-1.3.3.tgz#150d6b4cb522894369efed6a2101c20bc7f4a4f4"
-  integrity sha1-FQ1rTLUiiUNp7+1qIQHCC8f0pPQ=
-
 collection-visit@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
@@ -286,11 +268,6 @@ color-name@~1.1.4:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
   integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
 
-colors@~0.6.2:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/colors/-/colors-0.6.2.tgz#2423fe6678ac0c5dae8852e5d0e5be08c997abcc"
-  integrity sha1-JCP+ZnisDF2uiFLl0OW+CMmXq8w=
-
 colors@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
@@ -353,11 +330,6 @@ dargs@^2.0.0:
   resolved "https://registry.yarnpkg.com/dargs/-/dargs-2.1.0.tgz#46c27ffab1ffb1378ef212597213719fe602bc93"
   integrity sha1-RsJ/+rH/sTeO8hJZchNxn+YCvJM=
 
-dateformat@1.0.2-1.2.3:
-  version "1.0.2-1.2.3"
-  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-1.0.2-1.2.3.tgz#b0220c02de98617433b72851cf47de3df2cdbee9"
-  integrity sha1-sCIMAt6YYXQztyhRz0fePfLNvuk=
-
 dateformat@~3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-3.0.3.tgz#a6e37499a4d9a9cf85ef5872044d62901c9889ae"
@@ -426,11 +398,6 @@ esprima@^4.0.0:
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
   integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
 
-"esprima@~ 1.0.2":
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-1.0.4.tgz#9f557e08fc3b4d26ece9dd34f8fbf476b62585ad"
-  integrity sha1-n1V+CPw7TSbs6d00+Pv0drYlha0=
-
 eventemitter2@~0.4.13:
   version "0.4.14"
   resolved "https://registry.yarnpkg.com/eventemitter2/-/eventemitter2-0.4.14.tgz#8f61b75cde012b2e9eb284d4545583b5643b61ab"
@@ -513,7 +480,7 @@ fill-range@^4.0.0:
     repeat-string "^1.6.1"
     to-regex-range "^2.1.0"
 
-findup-sync@^0.1.2, findup-sync@~0.1.2:
+findup-sync@^0.1.2:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-0.1.3.tgz#7f3e7a97b82392c653bf06589bd85190e93c3683"
   integrity sha1-fz56l7gjksZTvwZYm9hRkOk8NoM=
@@ -614,15 +581,6 @@ glob@^7.0.5, glob@^7.1.3, glob@~7.1.6:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@~3.1.21:
-  version "3.1.21"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-3.1.21.tgz#d29e0a055dea5138f4d07ed40e8982e83c2066cd"
-  integrity sha1-0p4KBV3qUTj00H7UDomC6DwgZs0=
-  dependencies:
-    graceful-fs "~1.2.0"
-    inherits "1"
-    minimatch "~0.2.11"
-
 glob@~3.2.6, glob@~3.2.9:
   version "3.2.11"
   resolved "https://registry.yarnpkg.com/glob/-/glob-3.2.11.tgz#4a973f635b9190f715d10987d5c00fd2815ebe3d"
@@ -662,11 +620,6 @@ global-prefix@^1.0.1:
     is-windows "^1.0.1"
     which "^1.2.14"
 
-graceful-fs@~1.2.0:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-1.2.3.tgz#15a4806a57547cb2d2dbf27f42e89a8c3451b364"
-  integrity sha1-FaSAaldUfLLS2/J/QuiajDRRs2Q=
-
 grunt-cli@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/grunt-cli/-/grunt-cli-1.3.2.tgz#60f12d12c1b5aae94ae3469c6b5fe24e960014e8"
@@ -726,15 +679,6 @@ grunt-known-options@~1.1.0:
   resolved "https://registry.yarnpkg.com/grunt-known-options/-/grunt-known-options-1.1.1.tgz#6cc088107bd0219dc5d3e57d91923f469059804d"
   integrity sha512-cHwsLqoighpu7TuYj5RonnEuxGVFnztcUqTqp5rXFGYL4OuPFofwC4Ycg7n9fYwvK6F5WbYgeVOwph9Crs2fsQ==
 
-grunt-legacy-log-utils@~0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/grunt-legacy-log-utils/-/grunt-legacy-log-utils-0.1.1.tgz#c0706b9dd9064e116f36f23fe4e6b048672c0f7e"
-  integrity sha1-wHBrndkGThFvNvI/5OawSGcsD34=
-  dependencies:
-    colors "~0.6.2"
-    lodash "~2.4.1"
-    underscore.string "~2.3.3"
-
 grunt-legacy-log-utils@~2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/grunt-legacy-log-utils/-/grunt-legacy-log-utils-2.1.0.tgz#49a8c7dc74051476dcc116c32faf9db8646856ef"
@@ -743,17 +687,6 @@ grunt-legacy-log-utils@~2.1.0:
     chalk "~4.1.0"
     lodash "~4.17.19"
 
-grunt-legacy-log@~0.1.0:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/grunt-legacy-log/-/grunt-legacy-log-0.1.3.tgz#ec29426e803021af59029f87d2f9cd7335a05531"
-  integrity sha1-7ClCboAwIa9ZAp+H0vnNczWgVTE=
-  dependencies:
-    colors "~0.6.2"
-    grunt-legacy-log-utils "~0.1.1"
-    hooker "~0.2.3"
-    lodash "~2.4.1"
-    underscore.string "~2.3.3"
-
 grunt-legacy-log@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/grunt-legacy-log/-/grunt-legacy-log-3.0.0.tgz#1c6eaf92371ea415af31ea84ce50d434ef6d39c4"
@@ -764,19 +697,6 @@ grunt-legacy-log@~3.0.0:
     hooker "~0.2.3"
     lodash "~4.17.19"
 
-grunt-legacy-util@~0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/grunt-legacy-util/-/grunt-legacy-util-0.2.0.tgz#93324884dbf7e37a9ff7c026dff451d94a9e554b"
-  integrity sha1-kzJIhNv343qf98Am3/RR2UqeVUs=
-  dependencies:
-    async "~0.1.22"
-    exit "~0.1.1"
-    getobject "~0.1.0"
-    hooker "~0.2.3"
-    lodash "~0.9.2"
-    underscore.string "~2.2.1"
-    which "~1.0.5"
-
 grunt-legacy-util@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/grunt-legacy-util/-/grunt-legacy-util-2.0.0.tgz#34d20f2a26c6adebfe9a9bdc8823f7016b0369c3"
@@ -798,7 +718,7 @@ grunt-wp-i18n@^1.0.0:
     grunt "^1.0.3"
     node-wp-i18n "^1.2.2"
 
-grunt@^1.0.3:
+grunt@^1.0.3, grunt@~1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/grunt/-/grunt-1.3.0.tgz#55db6ccd80c6fb53722e496f680620a2e681f809"
   integrity sha512-6ILlMXv11/4cxuhSMfSU+SfvbxrPuqZrAtLN64+tZpQ3DAKfSQPQHRbTjSbdtxfyQhGZPtN0bDZJ/LdCM5WXXA==
@@ -819,32 +739,6 @@ grunt@^1.0.3:
     nopt "~3.0.6"
     rimraf "~3.0.2"
 
-grunt@~0.4.5:
-  version "0.4.5"
-  resolved "https://registry.yarnpkg.com/grunt/-/grunt-0.4.5.tgz#56937cd5194324adff6d207631832a9d6ba4e7f0"
-  integrity sha1-VpN81RlDJK3/bSB2MYMqnWuk5/A=
-  dependencies:
-    async "~0.1.22"
-    coffee-script "~1.3.3"
-    colors "~0.6.2"
-    dateformat "1.0.2-1.2.3"
-    eventemitter2 "~0.4.13"
-    exit "~0.1.1"
-    findup-sync "~0.1.2"
-    getobject "~0.1.0"
-    glob "~3.1.21"
-    grunt-legacy-log "~0.1.0"
-    grunt-legacy-util "~0.2.0"
-    hooker "~0.2.3"
-    iconv-lite "~0.2.11"
-    js-yaml "~2.0.5"
-    lodash "~0.9.2"
-    minimatch "~0.2.12"
-    nopt "~1.0.10"
-    rimraf "~2.2.8"
-    underscore.string "~2.2.1"
-    which "~1.0.5"
-
 gzip-size@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-0.2.0.tgz#e3a2a191205fe56ee326f5c271435dfaecfb3e1c"
@@ -927,11 +821,6 @@ iconv-lite@^0.6.2:
   dependencies:
     safer-buffer ">= 2.1.2 < 3.0.0"
 
-iconv-lite@~0.2.11:
-  version "0.2.11"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.2.11.tgz#1ce60a3a57864a292d1321ff4609ca4bb965adc8"
-  integrity sha1-HOYKOleGSiktEyH/RgnKS7llrcg=
-
 iconv-lite@~0.4.13:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
@@ -947,11 +836,6 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-1.0.2.tgz#ca4309dadee6b54cc0b8d247e8d7c7a0975bdc9b"
-  integrity sha1-ykMJ2t7mtUzAuNJH6NfHoJdb3Js=
-
 inherits@2, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
@@ -1117,14 +1001,6 @@ isobject@^3.0.0, isobject@^3.0.1:
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
   integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
 
-js-yaml@~2.0.5:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-2.0.5.tgz#a25ae6509999e97df278c6719da11bd0687743a8"
-  integrity sha1-olrmUJmZ6X3yeMZxnaEb0Gh3Q6g=
-  dependencies:
-    argparse "~ 0.1.11"
-    esprima "~ 1.0.2"
-
 js-yaml@~3.14.0:
   version "3.14.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.1.tgz#dae812fdb3825fa306609a8717383c50c36a0537"
@@ -1191,11 +1067,6 @@ lodash@^4.14.2, lodash@~4.17.19, lodash@~4.17.20:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
   integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
 
-lodash@~0.9.2:
-  version "0.9.2"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-0.9.2.tgz#8f3499c5245d346d682e5b0d3b40767e09f1a92c"
-  integrity sha1-jzSZxSRdNG1oLlsNO0B2fgnxqSw=
-
 lodash@~2.4.1:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-2.4.2.tgz#fadd834b9683073da179b3eae6d9c0d15053f73e"
@@ -1269,14 +1140,6 @@ minimatch@0.3, minimatch@^0.3.0:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimatch@~0.2.11, minimatch@~0.2.12:
-  version "0.2.14"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.2.14.tgz#c74e780574f63c6f9a090e90efbe6ef53a6a756a"
-  integrity sha1-x054BXT2PG+aCQ6Q775u9TpqdWo=
-  dependencies:
-    lru-cache "2"
-    sigmund "~1.0.0"
-
 minimist@^1.2.5:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
@@ -1339,13 +1202,6 @@ node-wp-i18n@^1.2.2:
     mkdirp "^1.0.4"
     tmp "^0.2.1"
 
-nopt@~1.0.10:
-  version "1.0.10"
-  resolved "https://registry.yarnpkg.com/nopt/-/nopt-1.0.10.tgz#6ddd21bd2a31417b92727dd585f8a6f37608ebee"
-  integrity sha1-bd0hvSoxQXuScn3Vhfim83YI6+4=
-  dependencies:
-    abbrev "1"
-
 nopt@~3.0.6:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
@@ -1598,7 +1454,7 @@ rimraf@^3.0.0, rimraf@~3.0.2:
   dependencies:
     glob "^7.1.3"
 
-rimraf@~2.2.1, rimraf@~2.2.8:
+rimraf@~2.2.1:
   version "2.2.8"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.2.8.tgz#e439be2aaee327321952730f99a8929e4fc50582"
   integrity sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI=
@@ -1811,21 +1667,6 @@ unc-path-regex@^0.1.2:
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
   integrity sha1-5z3T17DXxe2G+6xrCufYxqadUPo=
 
-underscore.string@~2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/underscore.string/-/underscore.string-2.2.1.tgz#d7c0fa2af5d5a1a67f4253daee98132e733f0f19"
-  integrity sha1-18D6KvXVoaZ/QlPa7pgTLnM/Dxk=
-
-underscore.string@~2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/underscore.string/-/underscore.string-2.3.3.tgz#71c08bf6b428b1133f37e78fa3a21c82f7329b0d"
-  integrity sha1-ccCL9rQosRM/N+ePo6Icgvcymw0=
-
-underscore.string@~2.4.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/underscore.string/-/underscore.string-2.4.0.tgz#8cdd8fbac4e2d2ea1e7e2e8097c42f442280f85b"
-  integrity sha1-jN2PusTi0uoefi6Al8QvRCKA+Fs=
-
 underscore.string@~3.3.5:
   version "3.3.5"
   resolved "https://registry.yarnpkg.com/underscore.string/-/underscore.string-3.3.5.tgz#fc2ad255b8bd309e239cbc5816fd23a9b7ea4023"
@@ -1834,11 +1675,6 @@ underscore.string@~3.3.5:
     sprintf-js "^1.0.3"
     util-deprecate "^1.0.2"
 
-underscore@~1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.7.0.tgz#6bbaf0877500d36be34ecaa584e0db9fef035209"
-  integrity sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=
-
 union-value@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"
@@ -1886,11 +1722,6 @@ which@^1.0.5, which@^1.2.14, which@~1.3.0:
   dependencies:
     isexe "^2.0.0"
 
-which@~1.0.5:
-  version "1.0.9"
-  resolved "https://registry.yarnpkg.com/which/-/which-1.0.9.tgz#460c1da0f810103d0321a9b633af9e575e64486f"
-  integrity sha1-RgwdoPgQED0DIam2M6+eV15kSG8=
-
 win-spawn@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/win-spawn/-/win-spawn-2.0.0.tgz#397a29130ec98d0aa0bc86baa4621393effd0b07"