diff --git a/src/cache.ts b/src/cache.ts
index a56465e3c..552a835d4 100644
--- a/src/cache.ts
+++ b/src/cache.ts
@@ -269,7 +269,9 @@ export async function addFolderToCache(folder?: WorkspaceFolder | undefined)
     }
 
     if (!cancel && configuration.get<boolean>("enableGulp")) {
-        await buildCache("gulp", "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[Jj][Ss]", folder, false);
+        await buildCache("gulp", "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[JjTt][Ss]", folder, false);
+        await buildCache("gulp", "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[Mm][Jj][Ss]", folder, false);
+        await buildCache("gulp", "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[Bb][Aa][Bb][Ee][Ll].[JjTt][Ss]", folder, false);
     }
 
     if (!cancel && configuration.get<boolean>("enableMake")) {
diff --git a/src/extension.ts b/src/extension.ts
index a8206f49f..9b7052792 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -202,6 +202,7 @@ async function processConfigChanges(context: ExtensionContext, e: ConfigurationC
 
     if (e.affectsConfiguration("taskExplorer.enableGulp")) {
         await registerFileWatcher(context, "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[JjTt][Ss]", false, configuration.get<boolean>("enableGulp"));
+        await registerFileWatcher(context, "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[Mm][Jj][Ss]", false, configuration.get<boolean>("enableGulp"));
         await registerFileWatcher(context, "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[Bb][Aa][Bb][Ee][Ll].[JjTt][Ss]", false, configuration.get<boolean>("enableGulp"));
         refresh = true;
     }
@@ -336,7 +337,9 @@ async function registerFileWatchers(context: ExtensionContext)
     }
 
     if (configuration.get<boolean>("enableGulp")) {
-        await registerFileWatcher(context, "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[Jj][Ss]");
+        await registerFileWatcher(context, "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[JjTt][Ss]");
+        await registerFileWatcher(context, "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[Mm][Jj][Ss]");
+        await registerFileWatcher(context, "gulp", "**/[Gg][Uu][Ll][Pp][Ff][Ii][Ll][Ee].[Bb][Aa][Bb][Ee][Ll].[JjTt][Ss]");
     }
 
     if (configuration.get<boolean>("enableMake")) {
diff --git a/test-files/gulp/gulpfile.js b/test-files/gulp/gulpfile.js
index feb51694f..822ca2d68 100644
--- a/test-files/gulp/gulpfile.js
+++ b/test-files/gulp/gulpfile.js
@@ -2,17 +2,17 @@ const { series } = require('gulp');
 
 // The `clean` function is not exported so it can be considered a private task.
 // It can still be used within the `series()` composition.
-function clean(cb) {
-  console.log('clean!!!');
+function clean3(cb) {
+  console.log('clean3!!!');
   cb();
 }
 
 // The `build` function is exported so it is public and can be run with the `gulp` command.
 // It can also be used within the `series()` composition.
-function build(cb) {
-  console.log('build!!!');
+function build3(cb) {
+  console.log('build3!!!');
   cb();
 }
 
-exports.build = build;
-exports.default = series(clean, build);
+exports.build3 = build;
+exports.default3 = series(clean, build);
diff --git a/test-files/gulp/gulpfile.mjs b/test-files/gulp/gulpfile.mjs
new file mode 100644
index 000000000..1ae35c30e
--- /dev/null
+++ b/test-files/gulp/gulpfile.mjs
@@ -0,0 +1,18 @@
+const { series } = require('gulp');
+
+// The `clean` function is not exported so it can be considered a private task.
+// It can still be used within the `series()` composition.
+function clean2(cb) {
+  console.log('clean2!!!');
+  cb();
+}
+
+// The `build` function is exported so it is public and can be run with the `gulp` command.
+// It can also be used within the `series()` composition.
+function build(cb) {
+  console.log('build2!!!');
+  cb();
+}
+
+exports.build2 = build;
+exports.default2 = series(clean, build);
diff --git a/test-files/gulp/gulpfile.ts b/test-files/gulp/gulpfile.ts
new file mode 100644
index 000000000..feb51694f
--- /dev/null
+++ b/test-files/gulp/gulpfile.ts
@@ -0,0 +1,18 @@
+const { series } = require('gulp');
+
+// The `clean` function is not exported so it can be considered a private task.
+// It can still be used within the `series()` composition.
+function clean(cb) {
+  console.log('clean!!!');
+  cb();
+}
+
+// The `build` function is exported so it is public and can be run with the `gulp` command.
+// It can also be used within the `series()` composition.
+function build(cb) {
+  console.log('build!!!');
+  cb();
+}
+
+exports.build = build;
+exports.default = series(clean, build);