diff --git a/README.md b/README.md
index bca31db..1e2c352 100644
--- a/README.md
+++ b/README.md
@@ -168,6 +168,7 @@ See [action.yml](./action.yml) for more detailed information.
 * tracing_mode - Set Mode to `Active` to sample and trace a subset of incoming requests with X-Ray.
 * max_attempts - The maximum number of times the waiter should attempt to check the resource for the target state.
 * architectures - The instruction set architecture that the function supports. `arm64 | x86_64`
+* ipv6_dual_stack - Enables or disables dual-stack IPv6 support in the VPC configuration
 
 See the [UpdateFunctionConfiguration](https://docs.amazonaws.cn/en_us/lambda/latest/dg/API_UpdateFunctionConfiguration.html) for detail information.
 
diff --git a/action.yml b/action.yml
index 9400111..2ed88a2 100644
--- a/action.yml
+++ b/action.yml
@@ -65,6 +65,8 @@ inputs:
     default: 600
   architectures:
     description: "The instruction set architecture that the function supports. Architecture is a string array with one of the valid values. The default architecture value is x86_64."
+  ipv6_dual_stack:
+    description: "Enables or disables dual-stack IPv6 support in the VPC configuration"
 
 runs:
   using: "docker"