diff --git a/gcloud_connectors/bigquery.py b/gcloud_connectors/bigquery.py
index eb0c4c9..609873d 100644
--- a/gcloud_connectors/bigquery.py
+++ b/gcloud_connectors/bigquery.py
@@ -32,7 +32,7 @@ def get_pandas_dtypes(self, dataset, table):
         schema_dtypes = {}
         for schema in table.schema:
             if schema.field_type in ['STRING']:
-                type = 'string'
+                type = str
             elif schema.field_type in ['DATE', 'TIMESTAMP']:
                 type = 'datetime64[ns]'
             elif schema.field_type in ['FLOAT']:
diff --git a/setup.py b/setup.py
index 52b5151..8403bda 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@ def get_requirements(*requirements_file):
     return dependencies
 
 setup(name='gcloud-connectors',
-      version='0.1.21',
+      version='0.1.22',
       url='https://github.com/pualien/py-gcloud-connector',
       license='MIT',
       author='Matteo Senardi',