diff --git a/codegen/sdk-codegen/aws-models/appflow.json b/codegen/sdk-codegen/aws-models/appflow.json
index 752d55ce0f50..ec4075e91f24 100644
--- a/codegen/sdk-codegen/aws-models/appflow.json
+++ b/codegen/sdk-codegen/aws-models/appflow.json
@@ -291,7 +291,7 @@
       "traits": {
         "smithy.api#length": {
           "min": 0,
-          "max": 2048
+          "max": 4096
         },
         "smithy.api#pattern": "^\\S+$"
       }
@@ -6707,7 +6707,7 @@
       "traits": {
         "smithy.api#length": {
           "min": 0,
-          "max": 2048
+          "max": 4096
         },
         "smithy.api#pattern": "^\\S+$"
       }