diff --git a/Changelog.md b/Changelog.md
index ff37b2a..e1923a6 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,6 @@
+# 0.3.1
+
+ * Added missing __init__.py
 # 0.3.0
 
  * Added support for itemsource interface, allowing s3 hosting
diff --git a/cellxgene_gateway/__init__.py b/cellxgene_gateway/__init__.py
index 8dc7da3..bf7a7b5 100644
--- a/cellxgene_gateway/__init__.py
+++ b/cellxgene_gateway/__init__.py
@@ -7,4 +7,4 @@
 # OR CONDITIONS OF ANY KIND, either express or implied. See the License for
 # the specific language governing permissions and limitations under the License.
 
-__version__ = "0.3.0"
+__version__ = "0.3.1"