diff --git a/README.md b/README.md
index a5fed2bef..8cc3017af 100755
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Developers will need to create an API Key within your [Developer Portal](https:/
 
 The Developer Portal UI can also be used to help build your integration by showing information about network requests in the Requests tab. API usage information is also available to you in the Usage tab.
 
-<!-- Start SDK Installation -->
+<!-- Start SDK Installation [installation] -->
 ## SDK Installation
 
 To install this provider, copy and paste this code into your Terraform configuration. Then, run `terraform init`.
@@ -33,9 +33,11 @@ provider "airbyte" {
   # Configuration options
 }
 ```
-<!-- End SDK Installation -->
+<!-- End SDK Installation [installation] -->
+
+<!-- Start SDK Example Usage [usage] -->
+## SDK Example Usage
 
-<!-- Start SDK Example Usage -->
 ### Testing the provider locally
 
 Should you want to validate a change locally, the `--debug` flag allows you to execute the provider against a terraform instance locally.
@@ -52,11 +54,13 @@ cd examples/your-example
 TF_REATTACH_PROVIDERS=... terraform init
 TF_REATTACH_PROVIDERS=... terraform apply
 ```
-<!-- End SDK Example Usage -->
+<!-- End SDK Example Usage [usage] -->
+
+<!-- Start Available Resources and Operations [operations] -->
+## Available Resources and Operations
 
-<!-- Start SDK Available Operations -->
 
-<!-- End SDK Available Operations -->
+<!-- End Available Resources and Operations [operations] -->
 
 <!-- Placeholder for Future Speakeasy SDK Sections -->
 
diff --git a/USAGE.md b/USAGE.md
index 2ffc222a8..8e707bb12 100644
--- a/USAGE.md
+++ b/USAGE.md
@@ -1,4 +1,4 @@
-<!-- Start SDK Example Usage -->
+<!-- Start SDK Example Usage [usage] -->
 ```sh
 go run main.go --debug
 # Copy the TF_REATTACH_PROVIDERS env var
@@ -7,4 +7,4 @@ cd examples/your-example
 TF_REATTACH_PROVIDERS=... terraform init
 TF_REATTACH_PROVIDERS=... terraform apply
 ```
-<!-- End SDK Example Usage -->
\ No newline at end of file
+<!-- End SDK Example Usage [usage] -->
\ No newline at end of file
diff --git a/gen.yaml b/gen.yaml
index aa9735cd7..b812ab317 100755
--- a/gen.yaml
+++ b/gen.yaml
@@ -7,9 +7,9 @@ generation:
   telemetryEnabled: true
 features:
   terraform:
-    additionalProperties: 0.1.1
+    additionalProperties: 0.1.2
     constsAndDefaults: 0.1.1
-    core: 3.5.0
+    core: 3.5.1
     globalSecurity: 2.81.1
     globalServerURLs: 2.82.1
     unions: 2.81.5
diff --git a/internal/sdk/pkg/utils/json.go b/internal/sdk/pkg/utils/json.go
index 6dce06639..927242c6c 100644
--- a/internal/sdk/pkg/utils/json.go
+++ b/internal/sdk/pkg/utils/json.go
@@ -66,7 +66,11 @@ func MarshalJSON(v interface{}, tag reflect.StructTag, topLevel bool) ([]byte, e
 			}
 
 			if additionalProperties == "true" {
-				if field.Type.Kind() != reflect.Map {
+				if isNil(field.Type, fieldVal) {
+					continue
+				}
+				fieldVal := trueReflectValue(fieldVal)
+				if fieldVal.Type().Kind() != reflect.Map {
 					return nil, fmt.Errorf("additionalProperties must be a map")
 				}
 
@@ -202,20 +206,33 @@ func UnmarshalJSON(b []byte, v interface{}, tag reflect.StructTag, topLevel bool
 			}
 
 			if additionalPropertiesField != nil && additionalPropertiesValue != nil {
-				if additionalPropertiesValue.Kind() != reflect.Map {
+				typeOfMap := additionalPropertiesField.Type
+				if additionalPropertiesValue.Type().Kind() == reflect.Interface {
+					typeOfMap = reflect.TypeOf(map[string]interface{}{})
+				} else if additionalPropertiesValue.Type().Kind() != reflect.Map {
 					return fmt.Errorf("additionalProperties must be a map")
 				}
 
-				additionalPropertiesValue.Set(reflect.MakeMap(additionalPropertiesField.Type))
+				mapValue := reflect.MakeMap(typeOfMap)
 
 				for key, value := range unmarhsaled {
-					val := reflect.New(additionalPropertiesField.Type.Elem())
+					val := reflect.New(typeOfMap.Elem())
 
 					if err := unmarshalValue(value, val, additionalPropertiesField.Tag, disallowUnknownFields); err != nil {
 						return err
 					}
 
-					additionalPropertiesValue.SetMapIndex(reflect.ValueOf(key), val.Elem())
+					if val.Elem().Type().String() == typeOfMap.Elem().String() {
+						mapValue.SetMapIndex(reflect.ValueOf(key), val.Elem())
+					} else {
+						mapValue.SetMapIndex(reflect.ValueOf(key), trueReflectValue(val))
+					}
+
+				}
+				if additionalPropertiesValue.Type().Kind() == reflect.Interface {
+					additionalPropertiesValue.Set(mapValue)
+				} else {
+					additionalPropertiesValue.Set(mapValue)
 				}
 			}
 		}
diff --git a/internal/sdk/sdk.go b/internal/sdk/sdk.go
index f699103c8..64f37cd5b 100644
--- a/internal/sdk/sdk.go
+++ b/internal/sdk/sdk.go
@@ -147,8 +147,8 @@ func New(opts ...SDKOption) *SDK {
 			Language:          "go",
 			OpenAPIDocVersion: "1.0.0",
 			SDKVersion:        "0.3.5",
-			GenVersion:        "2.195.2",
-			UserAgent:         "speakeasy-sdk/go 0.3.5 2.195.2 1.0.0 airbyte",
+			GenVersion:        "internal",
+			UserAgent:         "speakeasy-sdk/go 0.3.5 internal 1.0.0 airbyte",
 		},
 	}
 	for _, opt := range opts {