diff --git a/docs/generators/dart.md b/docs/generators/dart.md
index fb835a98ee0a..24eecca602cf 100644
--- a/docs/generators/dart.md
+++ b/docs/generators/dart.md
@@ -19,7 +19,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |pubLibrary|Library name in generated code| |null|
 |pubName|Name in generated pubspec| |null|
 |pubVersion|Version in generated pubspec| |null|
-|serializationLibrary|Specify serialization library|<dl><dt>**native_serialization**</dt><dd>Use native serializer, backwards compatible</dd><dt>**json_serializable**</dt><dd>Use json_serializable</dd></dl>|native_serialization|
+|serializationLibrary|Specify serialization library|<dl><dt>**native_serialization**</dt><dd>Use native serializer, backwards compatible</dd><dt>**json_serializable**</dt><dd>Use json_serializable. Experimental and subject to breaking changes without further notice</dd></dl>|native_serialization|
 |sortModelPropertiesByRequiredFlag|Sort model properties to place required parameters before optional parameters.| |true|
 |sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
 |sourceFolder|Source folder for generated code| |null|
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java
index 2c84f7f747b5..94bf7ac7a20c 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java
@@ -58,7 +58,7 @@ public DartClientCodegen() {
 
         final Map<String, String> serializationOptions = new HashMap<>();
         serializationOptions.put(SERIALIZATION_LIBRARY_NATIVE, "Use native serializer, backwards compatible");
-        serializationOptions.put(SERIALIZATION_LIBRARY_JSON_SERIALIZABLE, "Use json_serializable");
+        serializationOptions.put(SERIALIZATION_LIBRARY_JSON_SERIALIZABLE, "Use json_serializable. Experimental and subject to breaking changes without further notice");
         serializationLibrary.setEnum(serializationOptions);
         cliOptions.add(serializationLibrary);
     }
diff --git a/pom.xml b/pom.xml
index 5095d1665f4b..62231544063a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1356,7 +1356,7 @@
                 <module>samples/client/petstore/dart2/petstore</module>
                 <module>samples/openapi3/client/petstore/dart2/petstore_client_lib</module>
                 <module>samples/openapi3/client/petstore/dart2/petstore</module>
-                <module>samples/openapi3/client/petstore/dart2/petstore_json_serializable_client_lib_fake</module>
+<!--                <module>samples/openapi3/client/petstore/dart2/petstore_json_serializable_client_lib_fake</module>-->
                 <module>samples/client/petstore/dart-dio/petstore_client_lib</module>
                 <module>samples/openapi3/client/petstore/dart-dio/petstore_client_lib</module>
                 <module>samples/openapi3/client/petstore/dart-dio/petstore_client_lib_fake</module>