diff --git a/openapi/python.sh b/openapi/python.sh
index 95af92f..e068dfa 100755
--- a/openapi/python.sh
+++ b/openapi/python.sh
@@ -45,6 +45,7 @@ popd > /dev/null
 
 source "${SCRIPT_ROOT}/openapi-generator/client-generator.sh"
 source "${SETTING_FILE}"
+OPENAPI_GENERATOR_COMMIT="${OPENAPI_GENERATOR_COMMIT:-v4.3.0}"
 
 CLIENT_LANGUAGE=python; \
 CLEANUP_DIRS=(client/api client/apis client/models docs test); \
diff --git a/openapi/python.xml b/openapi/python.xml
index 10a794d..82dfee1 100644
--- a/openapi/python.xml
+++ b/openapi/python.xml
@@ -21,6 +21,7 @@
                             <language>python</language>
                             <gitUserId>kubernetes-client</gitUserId>
                             <gitRepoId>python</gitRepoId>
+                            <skipValidateSpec>true</skipValidateSpec>
                             <configOptions>
                                 <packageName>${generator.package.name}</packageName>
                                 <packageVersion>${generator.client.version}</packageVersion>