diff --git a/gulpfile.mjs b/gulpfile.mjs
index 51749a374..ac5d699a4 100644
--- a/gulpfile.mjs
+++ b/gulpfile.mjs
@@ -25,7 +25,7 @@ import crypto from "crypto";
 import { fileURLToPath } from "url";
 import fs from "fs";
 import gulp from "gulp";
-import merge from "merge-stream";
+import ordered from "ordered-read-streams";
 import path from "path";
 import postcss from "gulp-postcss";
 import postcssDarkThemeClass from "postcss-dark-theme-class";
@@ -948,7 +948,7 @@ gulp.task("locale", function () {
   }
   const glob = locales.length === 1 ? locales[0] : `{${locales.join(",")}}`;
 
-  return merge([
+  return ordered([
     createStringSource("locale.json", JSON.stringify(viewerOutput)).pipe(
       gulp.dest(VIEWER_LOCALE_OUTPUT)
     ),
@@ -1023,7 +1023,7 @@ function preprocessHTML(source, defines) {
 function buildGeneric(defines, dir) {
   fs.rmSync(dir, { recursive: true, force: true });
 
-  return merge([
+  return ordered([
     createMainBundle(defines).pipe(gulp.dest(dir + "build")),
     createWorkerBundle(defines).pipe(gulp.dest(dir + "build")),
     createSandboxBundle(defines).pipe(gulp.dest(dir + "build")),
@@ -1070,7 +1070,7 @@ gulp.task(
     "locale",
     function scriptingGeneric() {
       const defines = { ...DEFINES, GENERIC: true };
-      return merge([
+      return ordered([
         buildDefaultPreferences(defines, "generic/"),
         createTemporaryScriptingBundle(defines),
       ]);
@@ -1097,7 +1097,7 @@ gulp.task(
     "locale",
     function scriptingGenericLegacy() {
       const defines = { ...DEFINES, GENERIC: true, SKIP_BABEL: false };
-      return merge([
+      return ordered([
         buildDefaultPreferences(defines, "generic-legacy/"),
         createTemporaryScriptingBundle(defines),
       ]);
@@ -1127,7 +1127,7 @@ function buildComponents(defines, dir) {
     "web/images/cursor-*.svg",
   ];
 
-  return merge([
+  return ordered([
     createComponentsBundle(defines).pipe(gulp.dest(dir)),
     gulp.src(COMPONENTS_IMAGES).pipe(gulp.dest(dir + "images")),
     preprocessCSS("web/pdf_viewer.css", defines)
@@ -1204,7 +1204,7 @@ gulp.task(
 function buildMinified(defines, dir) {
   fs.rmSync(dir, { recursive: true, force: true });
 
-  return merge([
+  return ordered([
     createMainBundle(defines).pipe(gulp.dest(dir + "build")),
     createWorkerBundle(defines).pipe(gulp.dest(dir + "build")),
     createSandboxBundle(defines).pipe(gulp.dest(dir + "build")),
@@ -1221,7 +1221,7 @@ gulp.task(
     "locale",
     function scriptingMinified() {
       const defines = { ...DEFINES, MINIFIED: true, GENERIC: true };
-      return merge([
+      return ordered([
         buildDefaultPreferences(defines, "minified/"),
         createTemporaryScriptingBundle(defines),
       ]);
@@ -1251,7 +1251,7 @@ gulp.task(
         GENERIC: true,
         SKIP_BABEL: false,
       };
-      return merge([
+      return ordered([
         buildDefaultPreferences(defines, "minified-legacy/"),
         createTemporaryScriptingBundle(defines),
       ]);
@@ -1335,7 +1335,7 @@ gulp.task(
       // Clear out everything in the firefox extension build directory
       fs.rmSync(MOZCENTRAL_DIR, { recursive: true, force: true });
 
-      return merge([
+      return ordered([
         createMainBundle(defines).pipe(
           gulp.dest(MOZCENTRAL_CONTENT_DIR + "build")
         ),
@@ -1409,7 +1409,7 @@ gulp.task(
     "locale",
     function scriptingChromium() {
       const defines = { ...DEFINES, CHROME: true, SKIP_BABEL: false };
-      return merge([
+      return ordered([
         buildDefaultPreferences(defines, "chromium/"),
         createTemporaryScriptingBundle(defines),
       ]);
@@ -1435,7 +1435,7 @@ gulp.task(
 
       const version = getVersionJSON().version;
 
-      return merge([
+      return ordered([
         createMainBundle(defines).pipe(
           gulp.dest(CHROME_BUILD_CONTENT_DIR + "build")
         ),
@@ -1587,7 +1587,7 @@ function buildLib(defines, dir) {
     DEFAULT_FTL: getDefaultFtl(),
   };
 
-  const inputStream = merge([
+  const inputStream = ordered([
     gulp.src(
       [
         "src/{core,display,shared}/**/*.js",
@@ -1609,7 +1609,7 @@ gulp.task(
     createBuildNumber,
     function scriptingLib() {
       const defines = { ...DEFINES, GENERIC: true, LIB: true };
-      return merge([
+      return ordered([
         buildDefaultPreferences(defines, "lib/"),
         createTemporaryScriptingBundle(defines),
       ]);
@@ -1620,7 +1620,7 @@ gulp.task(
     function createLib() {
       const defines = { ...DEFINES, GENERIC: true, LIB: true };
 
-      return merge([
+      return ordered([
         buildLib(defines, "build/lib/"),
         createSandboxBundle(defines).pipe(gulp.dest("build/lib/")),
       ]);
@@ -1639,7 +1639,7 @@ gulp.task(
         LIB: true,
         SKIP_BABEL: false,
       };
-      return merge([
+      return ordered([
         buildDefaultPreferences(defines, "lib-legacy/"),
         createTemporaryScriptingBundle(defines),
       ]);
@@ -1655,7 +1655,7 @@ gulp.task(
         SKIP_BABEL: false,
       };
 
-      return merge([
+      return ordered([
         buildLib(defines, "build/lib-legacy/"),
         createSandboxBundle(defines).pipe(gulp.dest("build/lib-legacy/")),
       ]);
@@ -1682,7 +1682,7 @@ gulp.task(
 
     config.stableVersion = version;
 
-    return merge([
+    return ordered([
       createStringSource(CONFIG_FILE, JSON.stringify(config, null, 2)).pipe(
         gulp.dest(".")
       ),
@@ -1821,7 +1821,7 @@ gulp.task(
     "generic",
     "types",
     function createTypesTest() {
-      return merge([
+      return ordered([
         packageJson().pipe(gulp.dest(TYPESTEST_DIR)),
         gulp
           .src("external/dist/**/*", {
@@ -2081,7 +2081,7 @@ function ghPagesPrepare() {
 
   fs.rmSync(GH_PAGES_DIR, { recursive: true, force: true });
 
-  return merge([
+  return ordered([
     gulp
       .src(GENERIC_DIR + "**/*", { base: GENERIC_DIR, removeBOM: false })
       .pipe(gulp.dest(GH_PAGES_DIR)),
@@ -2208,7 +2208,7 @@ gulp.task(
         }
       }
 
-      return merge([
+      return ordered([
         packageJson().pipe(gulp.dest(DIST_DIR)),
         gulp
           .src("external/dist/**/*", {
diff --git a/package-lock.json b/package-lock.json
index a1dcbfe05..d0714ce9c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -42,7 +42,7 @@
         "jasmine": "^5.1.0",
         "jsdoc": "^4.0.3",
         "jstransformer-markdown-it": "^3.0.0",
-        "merge-stream": "^2.0.0",
+        "ordered-read-streams": "^2.0.0",
         "path2d": "^0.2.0",
         "pngjs": "^7.0.0",
         "postcss": "^8.4.38",
@@ -8204,6 +8204,16 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/glob-stream/node_modules/ordered-read-streams": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz",
+      "integrity": "sha512-Z87aSjx3r5c0ZB7bcJqIgIRX5bxR7A4aSzvIbaxd0oTkWBCOoKfuGHiKj60CHVUgg1Phm5yMZzBdt8XqRs73Mw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "readable-stream": "^2.0.1"
+      }
+    },
     "node_modules/glob-to-regexp": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/glob-to-regexp/-/glob-to-regexp-0.4.1.tgz",
@@ -16548,12 +16558,16 @@
       "dev": true
     },
     "node_modules/ordered-read-streams": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz",
-      "integrity": "sha512-Z87aSjx3r5c0ZB7bcJqIgIRX5bxR7A4aSzvIbaxd0oTkWBCOoKfuGHiKj60CHVUgg1Phm5yMZzBdt8XqRs73Mw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ordered-read-streams/-/ordered-read-streams-2.0.0.tgz",
+      "integrity": "sha512-YT9wHHV9mB/qadhWnBsC57JKhAMA22/aR+RwZRgcf4K4Q7IIfmSsnYGxgiu9LVZP3wddRAm5pfYkzkmBb+HuwA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "readable-stream": "^2.0.1"
+        "streamx": "^2.12.5"
+      },
+      "engines": {
+        "node": ">= 10.13.0"
       }
     },
     "node_modules/os-locale": {
diff --git a/package.json b/package.json
index 5d557e09d..70ccec6d6 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "jasmine": "^5.1.0",
     "jsdoc": "^4.0.3",
     "jstransformer-markdown-it": "^3.0.0",
-    "merge-stream": "^2.0.0",
+    "ordered-read-streams": "^2.0.0",
     "path2d": "^0.2.0",
     "pngjs": "^7.0.0",
     "postcss": "^8.4.38",