diff --git a/packages/parser/src/schemas/apigwv2.ts b/packages/parser/src/schemas/apigwv2.ts
index ec5cfb6156..77491d4864 100644
--- a/packages/parser/src/schemas/apigwv2.ts
+++ b/packages/parser/src/schemas/apigwv2.ts
@@ -13,14 +13,16 @@ const RequestContextV2Authorizer = z.object({
       accessKey: z.string().optional(),
       accountId: z.string().optional(),
       callerId: z.string().optional(),
-      principalOrgId: z.string().optional(),
+      principalOrgId: z.string().nullish(),
       userArn: z.string().optional(),
       userId: z.string().optional(),
-      cognitoIdentity: z.object({
-        amr: z.array(z.string()),
-        identityId: z.string(),
-        identityPoolId: z.string(),
-      }),
+      cognitoIdentity: z
+        .object({
+          amr: z.array(z.string()),
+          identityId: z.string(),
+          identityPoolId: z.string(),
+        })
+        .nullish(),
     })
     .optional(),
   lambda: z.record(z.string(), z.any()).optional(),
@@ -42,7 +44,7 @@ const RequestContextV2 = z.object({
     .object({
       clientCert: APIGatewayCert.optional(),
     })
-    .optional(),
+    .nullish(),
   domainName: z.string(),
   domainPrefix: z.string(),
   http: RequestContextV2Http,
diff --git a/packages/parser/tests/unit/schema/lambda.test.ts b/packages/parser/tests/unit/schema/lambda.test.ts
index cfef867657..e9b0a3449b 100644
--- a/packages/parser/tests/unit/schema/lambda.test.ts
+++ b/packages/parser/tests/unit/schema/lambda.test.ts
@@ -15,4 +15,10 @@ describe('Lambda ', () => {
       lambdaFunctionUrlEvent
     );
   });
+
+  it('should parse url IAM event', () => {
+    const urlIAMEvent = TestEvents.lambdaFunctionUrlIAMEvent;
+
+    expect(LambdaFunctionUrlSchema.parse(urlIAMEvent)).toEqual(urlIAMEvent);
+  });
 });