diff --git a/apps/browser/src/autofill/fido2/background/abstractions/fido2.background.ts b/apps/browser/src/autofill/fido2/background/abstractions/fido2.background.ts
index 6ad069ad56e..b341be28ebb 100644
--- a/apps/browser/src/autofill/fido2/background/abstractions/fido2.background.ts
+++ b/apps/browser/src/autofill/fido2/background/abstractions/fido2.background.ts
@@ -13,6 +13,7 @@ type SharedFido2ScriptRegistrationOptions = SharedFido2ScriptInjectionDetails &
   matches: string[];
   excludeMatches: string[];
   allFrames: true;
+  world?: "MAIN" | "ISOLATED";
 };
 
 type Fido2ExtensionMessage = {
diff --git a/apps/browser/src/autofill/fido2/background/fido2.background.spec.ts b/apps/browser/src/autofill/fido2/background/fido2.background.spec.ts
index 752851b3d37..adb59b8f845 100644
--- a/apps/browser/src/autofill/fido2/background/fido2.background.spec.ts
+++ b/apps/browser/src/autofill/fido2/background/fido2.background.spec.ts
@@ -203,6 +203,7 @@ describe("Fido2Background", () => {
             { file: Fido2ContentScript.PageScriptDelayAppend },
             { file: Fido2ContentScript.ContentScript },
           ],
+          world: "MAIN",
           ...sharedRegistrationOptions,
         });
       });
diff --git a/apps/browser/src/autofill/fido2/background/fido2.background.ts b/apps/browser/src/autofill/fido2/background/fido2.background.ts
index 22ee4a1822d..a8b016a14d6 100644
--- a/apps/browser/src/autofill/fido2/background/fido2.background.ts
+++ b/apps/browser/src/autofill/fido2/background/fido2.background.ts
@@ -176,6 +176,7 @@ export class Fido2Background implements Fido2BackgroundInterface {
         { file: await this.getFido2PageScriptAppendFileName() },
         { file: Fido2ContentScript.ContentScript },
       ],
+      world: "MAIN",
       ...this.sharedRegistrationOptions,
     });
   }
diff --git a/package-lock.json b/package-lock.json
index 674dcabf122..b017272cd77 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -101,7 +101,7 @@
         "@storybook/web-components-webpack5": "8.6.12",
         "@tailwindcss/container-queries": "0.1.1",
         "@types/chrome": "0.1.28",
-        "@types/firefox-webext-browser": "120.0.4",
+        "@types/firefox-webext-browser": "143.0.0",
         "@types/inquirer": "8.2.10",
         "@types/jest": "29.5.14",
         "@types/jsdom": "21.1.7",
@@ -14083,9 +14083,9 @@
       "license": "MIT"
     },
     "node_modules/@types/firefox-webext-browser": {
-      "version": "120.0.4",
-      "resolved": "https://registry.npmjs.org/@types/firefox-webext-browser/-/firefox-webext-browser-120.0.4.tgz",
-      "integrity": "sha512-lBrpf08xhiZBigrtdQfUaqX1UauwZ+skbFiL8u2Tdra/rklkKadYmIzTwkNZSWtuZ7OKpFqbE2HHfDoFqvZf6w==",
+      "version": "143.0.0",
+      "resolved": "https://registry.npmjs.org/@types/firefox-webext-browser/-/firefox-webext-browser-143.0.0.tgz",
+      "integrity": "sha512-865dYKMOP0CllFyHmgXV4IQgVL51OSQQCwSoihQ17EwugePKFSAZRc0EI+y7Ly4q7j5KyURlA7LgRpFieO4JOw==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 8322d065eba..54e2685bbec 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "@storybook/web-components-webpack5": "8.6.12",
     "@tailwindcss/container-queries": "0.1.1",
     "@types/chrome": "0.1.28",
-    "@types/firefox-webext-browser": "120.0.4",
+    "@types/firefox-webext-browser": "143.0.0",
     "@types/inquirer": "8.2.10",
     "@types/jest": "29.5.14",
     "@types/jsdom": "21.1.7",