diff --git a/package-lock.json b/package-lock.json
index 08fe649b5..665959cd4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3544,6 +3544,11 @@
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-3.0.0.tgz",
           "integrity": "sha1-m+3VygiXlJvKR+f/QIBi1Un1h/I="
+        },
+        "replace-ext": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-0.0.1.tgz",
+          "integrity": "sha1-KbvZIHinOfC8zitO5B6DeVNSKSQ="
         }
       }
     },
@@ -6064,9 +6069,9 @@
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc="
     },
     "replace-ext": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-0.0.1.tgz",
-      "integrity": "sha1-KbvZIHinOfC8zitO5B6DeVNSKSQ="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-1.0.0.tgz",
+      "integrity": "sha1-3mMSg3P8v3w8z6TeWkgMRaZ5WOs="
     },
     "replace-homedir": {
       "version": "1.0.0",
@@ -7395,6 +7400,13 @@
         "clone": "^1.0.0",
         "clone-stats": "^0.0.1",
         "replace-ext": "0.0.1"
+      },
+      "dependencies": {
+        "replace-ext": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-0.0.1.tgz",
+          "integrity": "sha1-KbvZIHinOfC8zitO5B6DeVNSKSQ="
+        }
       }
     },
     "vinyl-file": {
@@ -7436,6 +7448,13 @@
             "clone": "^1.0.0",
             "clone-stats": "^0.0.1",
             "replace-ext": "0.0.1"
+          },
+          "dependencies": {
+            "replace-ext": {
+              "version": "0.0.1",
+              "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-0.0.1.tgz",
+              "integrity": "sha1-KbvZIHinOfC8zitO5B6DeVNSKSQ="
+            }
           }
         }
       }
diff --git a/package.json b/package.json
index ac8e136c5..41d942493 100644
--- a/package.json
+++ b/package.json
@@ -41,9 +41,9 @@
     "gulp-replace": "*",
     "gulp-rtlcss": "*",
     "gulp-uglify": "*",
-    "gulp-util": "*",
     "gulp-watch": "*",
     "map-stream": "*",
+    "replace-ext": "*",
     "require-dot-file": "*",
     "run-sequence": "*",
     "yamljs": "*"
@@ -75,13 +75,13 @@
     "gulp-replace": "^1.0.0",
     "gulp-rtlcss": "^1.3.0",
     "gulp-uglify": "^3.0.1",
-    "gulp-util": "^3.0.8",
     "gulp-watch": "^5.0.1",
     "jquery": "^3.3.1",
     "map-stream": "^0.1.0",
     "merge-stream": "^1.0.0",
     "mkdirp": "^0.5.1",
     "require-dot-file": "^0.4.0",
+    "replace-ext": "^1.0.0",
     "run-sequence": "^2.2.1",
     "wrench-sui": "^0.0.3",
     "yamljs": "^0.3.0"
diff --git a/tasks/admin/components/create.js b/tasks/admin/components/create.js
index 3d4ed6d3b..311b17955 100644
--- a/tasks/admin/components/create.js
+++ b/tasks/admin/components/create.js
@@ -34,7 +34,6 @@ var
   rename          = require('gulp-rename'),
   replace         = require('gulp-replace'),
   tap             = require('gulp-tap'),
-  util            = require('gulp-util'),
 
   // config
   config          = require('../../config/user'),
diff --git a/tasks/docs/serve.js b/tasks/docs/serve.js
index a79dddc36..5a4603fb2 100644
--- a/tasks/docs/serve.js
+++ b/tasks/docs/serve.js
@@ -21,7 +21,7 @@ var
   rename       = require('gulp-rename'),
   replace      = require('gulp-replace'),
   uglify       = require('gulp-uglify'),
-  util         = require('gulp-util'),
+  replaceExt   = require('replace-ext'),
   watch        = require('gulp-watch'),
 
   // user config
@@ -142,12 +142,12 @@ module.exports = function () {
       }
       else if(isPackagedTheme) {
         console.log('Change detected in packaged theme');
-        lessPath = util.replaceExtension(file.path, '.less');
+        lessPath = replaceExt(file.path, '.less');
         lessPath = lessPath.replace(tasks.regExp.theme, source.definitions);
       }
       else if(isSiteTheme) {
         console.log('Change detected in site theme');
-        lessPath = util.replaceExtension(file.path, '.less');
+        lessPath = replaceExt(file.path, '.less');
         lessPath = lessPath.replace(source.site, source.definitions);
       }
       else {
diff --git a/tasks/rtl/watch.js b/tasks/rtl/watch.js
index af89922d8..0811af18d 100644
--- a/tasks/rtl/watch.js
+++ b/tasks/rtl/watch.js
@@ -22,7 +22,7 @@ var
   replace      = require('gulp-replace'),
   rtlcss       = require('gulp-rtlcss'),
   uglify       = require('gulp-uglify'),
-  util         = require('gulp-util'),
+  replaceExt   = require('replace-ext'),
   watch        = require('gulp-watch'),
 
   // user config
@@ -107,16 +107,16 @@ module.exports = function(callback) {
       else if(isPackagedTheme) {
         console.log('Change detected in packaged theme');
         lessPath = lessPath.replace(tasks.regExp.theme, source.definitions);
-        lessPath = util.replaceExtension(file.path, '.less');
+        lessPath = replaceExt(file.path, '.less');
       }
       else if(isSiteTheme) {
         console.log('Change detected in site theme');
         lessPath = lessPath.replace(source.site, source.definitions);
-        lessPath = util.replaceExtension(file.path, '.less');
+        lessPath = replaceExt(file.path, '.less');
       }
       else if(isDefinition) {
         console.log('Change detected in definition');
-        lessPath = util.replaceExtension(file.path, '.less');
+        lessPath = replaceExt(file.path, '.less');
       }
 
       /*--------------
diff --git a/tasks/watch.js b/tasks/watch.js
index 21e875588..c1bf51bc2 100644
--- a/tasks/watch.js
+++ b/tasks/watch.js
@@ -21,7 +21,7 @@ var
   rename       = require('gulp-rename'),
   replace      = require('gulp-replace'),
   uglify       = require('gulp-uglify'),
-  util         = require('gulp-util'),
+  replaceExt   = require('replace-ext'),
   watch        = require('gulp-watch'),
 
   // user config
@@ -119,12 +119,12 @@ module.exports = function(callback) {
       }
       else if(isPackagedTheme) {
         console.log('Change detected in packaged theme');
-        lessPath = util.replaceExtension(file.path, '.less');
+        lessPath = replaceExt(file.path, '.less');
         lessPath = lessPath.replace(tasks.regExp.theme, source.definitions);
       }
       else if(isSiteTheme) {
         console.log('Change detected in site theme');
-        lessPath = util.replaceExtension(file.path, '.less');
+        lessPath = replaceExt(file.path, '.less');
         lessPath = lessPath.replace(source.site, source.definitions);
       }
       else {