diff --git a/modules/openapi-generator/src/main/resources/python/configuration.mustache b/modules/openapi-generator/src/main/resources/python/configuration.mustache
index b6219f987cd..a1a7e9babf6 100644
--- a/modules/openapi-generator/src/main/resources/python/configuration.mustache
+++ b/modules/openapi-generator/src/main/resources/python/configuration.mustache
@@ -98,6 +98,8 @@ class Configuration(six.with_metaclass(TypeWithDefault, object)):
 
         # Proxy URL
         self.proxy = None
+        # Proxy headers
+        self.proxy_headers = None
         # Safe chars for path_param
         self.safe_chars_for_path_param = ''
         # Adding retries to override urllib3 default value 3
diff --git a/modules/openapi-generator/src/main/resources/python/rest.mustache b/modules/openapi-generator/src/main/resources/python/rest.mustache
index 0ce998c5f96..98f2c502a91 100644
--- a/modules/openapi-generator/src/main/resources/python/rest.mustache
+++ b/modules/openapi-generator/src/main/resources/python/rest.mustache
@@ -84,6 +84,7 @@ class RESTClientObject(object):
                 cert_file=configuration.cert_file,
                 key_file=configuration.key_file,
                 proxy_url=configuration.proxy,
+                proxy_headers=configuration.proxy_headers,
                 **addition_pool_args
             )
         else:
diff --git a/samples/client/petstore/python-asyncio/petstore_api/configuration.py b/samples/client/petstore/python-asyncio/petstore_api/configuration.py
index 90b97758868..927c91d783f 100644
--- a/samples/client/petstore/python-asyncio/petstore_api/configuration.py
+++ b/samples/client/petstore/python-asyncio/petstore_api/configuration.py
@@ -98,6 +98,8 @@ class Configuration(six.with_metaclass(TypeWithDefault, object)):
 
         # Proxy URL
         self.proxy = None
+        # Proxy headers
+        self.proxy_headers = None
         # Safe chars for path_param
         self.safe_chars_for_path_param = ''
         # Adding retries to override urllib3 default value 3
diff --git a/samples/client/petstore/python-tornado/petstore_api/configuration.py b/samples/client/petstore/python-tornado/petstore_api/configuration.py
index 90b97758868..927c91d783f 100644
--- a/samples/client/petstore/python-tornado/petstore_api/configuration.py
+++ b/samples/client/petstore/python-tornado/petstore_api/configuration.py
@@ -98,6 +98,8 @@ class Configuration(six.with_metaclass(TypeWithDefault, object)):
 
         # Proxy URL
         self.proxy = None
+        # Proxy headers
+        self.proxy_headers = None
         # Safe chars for path_param
         self.safe_chars_for_path_param = ''
         # Adding retries to override urllib3 default value 3
diff --git a/samples/client/petstore/python/petstore_api/configuration.py b/samples/client/petstore/python/petstore_api/configuration.py
index 90b97758868..927c91d783f 100644
--- a/samples/client/petstore/python/petstore_api/configuration.py
+++ b/samples/client/petstore/python/petstore_api/configuration.py
@@ -98,6 +98,8 @@ class Configuration(six.with_metaclass(TypeWithDefault, object)):
 
         # Proxy URL
         self.proxy = None
+        # Proxy headers
+        self.proxy_headers = None
         # Safe chars for path_param
         self.safe_chars_for_path_param = ''
         # Adding retries to override urllib3 default value 3
diff --git a/samples/client/petstore/python/petstore_api/rest.py b/samples/client/petstore/python/petstore_api/rest.py
index acae21745af..e1e032711e7 100644
--- a/samples/client/petstore/python/petstore_api/rest.py
+++ b/samples/client/petstore/python/petstore_api/rest.py
@@ -92,6 +92,7 @@ class RESTClientObject(object):
                 cert_file=configuration.cert_file,
                 key_file=configuration.key_file,
                 proxy_url=configuration.proxy,
+                proxy_headers=configuration.proxy_headers,
                 **addition_pool_args
             )
         else:
diff --git a/samples/openapi3/client/petstore/python/petstore_api/configuration.py b/samples/openapi3/client/petstore/python/petstore_api/configuration.py
index d11d858b866..f023eb78382 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/configuration.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/configuration.py
@@ -98,6 +98,8 @@ class Configuration(six.with_metaclass(TypeWithDefault, object)):
 
         # Proxy URL
         self.proxy = None
+        # Proxy headers
+        self.proxy_headers = None
         # Safe chars for path_param
         self.safe_chars_for_path_param = ''
         # Adding retries to override urllib3 default value 3
diff --git a/samples/openapi3/client/petstore/python/petstore_api/rest.py b/samples/openapi3/client/petstore/python/petstore_api/rest.py
index acae21745af..e1e032711e7 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/rest.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/rest.py
@@ -92,6 +92,7 @@ class RESTClientObject(object):
                 cert_file=configuration.cert_file,
                 key_file=configuration.key_file,
                 proxy_url=configuration.proxy,
+                proxy_headers=configuration.proxy_headers,
                 **addition_pool_args
             )
         else: