diff --git a/packages/inertia/package.json b/packages/inertia/package.json
index 3260e981f..287681a1a 100755
--- a/packages/inertia/package.json
+++ b/packages/inertia/package.json
@@ -31,7 +31,7 @@
     "watch": "microbundle watch --format cjs"
   },
   "dependencies": {
-    "axios": "^0.21.1",
+    "axios": "^0.26.0",
     "deepmerge": "^4.0.0",
     "qs": "^6.9.0"
   },
diff --git a/packages/inertia/src/router.ts b/packages/inertia/src/router.ts
index f72f8f1cb..fbd25aae8 100644
--- a/packages/inertia/src/router.ts
+++ b/packages/inertia/src/router.ts
@@ -152,11 +152,11 @@ export class Router {
   }
 
   protected isLocationVisitResponse(response: AxiosResponse): boolean {
-    return response && response.status === 409 && response.headers['x-inertia-location']
+    return !!(response && response.status === 409 && response.headers['x-inertia-location'])
   }
 
   protected isInertiaResponse(response: AxiosResponse): boolean {
-    return response?.headers['x-inertia']
+    return !!response?.headers['x-inertia']
   }
 
   protected createVisitId(): VisitId {