diff --git a/toolkit/components/extensions/ext-runtime.js b/toolkit/components/extensions/ext-runtime.js
index 9324e0ee4..aed3ffd4b 100644
--- a/toolkit/components/extensions/ext-runtime.js
+++ b/toolkit/components/extensions/ext-runtime.js
@@ -94,9 +94,7 @@ extensions.registerSchemaAPI("runtime", "addon_parent", context => {
 
       getBrowserInfo: function() {
         const {name, vendor, version, appBuildID} = Services.appinfo;
-        // Override version for WebExtensions compatibility with modern extensions
-        // Report as Firefox 128.0 to extensions while maintaining actual UXP identity
-        const info = {name: "Firefox", vendor, version: "128.0", buildID: appBuildID};
+        const info = {name, vendor, version, buildID: appBuildID};
         return Promise.resolve(info);
       },
 
diff --git a/toolkit/mozapps/extensions/internal/XPIProvider.jsm b/toolkit/mozapps/extensions/internal/XPIProvider.jsm
index e3c2b0855..d6addc22e 100644
--- a/toolkit/mozapps/extensions/internal/XPIProvider.jsm
+++ b/toolkit/mozapps/extensions/internal/XPIProvider.jsm
@@ -6987,15 +6987,11 @@ AddonInternal.prototype = {
 
     let version;
     if (app.id == Services.appinfo.ID) {
-      if (this.type == "webextension")
-        // For WebExtensions, don't use the GRE version
-        version = "128.0";
-      else
-        version = aAppVersion;
+      version = aAppVersion;
     } else if (app.id == TOOLKIT_ID) {
       if (this.type == "webextension")
         // For WebExtensions, don't use the GRE version
-        version = "128.0";
+        version = aAppVersion;
       else
         version = aPlatformVersion;
     }