diff --git a/package.json b/package.json
index 1f709238..9f3e2689 100644
--- a/package.json
+++ b/package.json
@@ -101,7 +101,7 @@
     "typescript": "^4.2.4"
   },
   "dependencies": {
-    "rxfire": "^6.0.0",
+    "rxfire": "^6.0.2",
     "rxjs": "^6.6.3 || ^7.0.1"
   },
   "resolutions": {
diff --git a/src/functions.tsx b/src/functions.tsx
index e859b463..501822b1 100644
--- a/src/functions.tsx
+++ b/src/functions.tsx
@@ -20,8 +20,6 @@ export function useCallableFunctionResponse<RequestData, ResponseData>(
   const functions = useFunctions();
   const observableId = `functions:callableResponse:${functionName}:${JSON.stringify(options?.data)}:${JSON.stringify(options?.httpsCallableOptions)}`;
   const obsFactory = rxHttpsCallable<RequestData, ResponseData>(functions, functionName, options?.httpsCallableOptions);
-
-  //@ts-expect-error because RxFire doesn't make data optional. Remove when https://github.com/FirebaseExtended/rxfire/pull/34 is released.
   const observable$ = obsFactory(options?.data);
 
   return useObservable(observableId, observable$, options);
diff --git a/yarn.lock b/yarn.lock
index 32b4a1ea..fdf7cda0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10637,10 +10637,10 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-rxfire@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/rxfire/-/rxfire-6.0.0.tgz#298d6bba7963d2338a51bac6930c88192e345a42"
-  integrity sha512-COpH7vtMrxc+iKqUS1A6CEZMJwIpMM/3H1jnKjYAhzhHQG1YaJYH4Q8EcMMNd0ZX7l8ag6hW1ppoB7j9ctJyfA==
+rxfire@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/rxfire/-/rxfire-6.0.2.tgz#2edf59e1b35401503e1bef368c40cbc17f1afb53"
+  integrity sha512-4Ob30tYy88sEDk92QzKznVvNjB13T0Z30aCC5hWkekaW2SzR3OHr4LO74IFGw7c/PoDUmQTzwwnncjq56pfOrQ==
   dependencies:
     tslib "^1.9.0 || ~2.1.0"