diff --git a/CITATION.cff b/CITATION.cff
index 14972dd..2a651b8 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -11,6 +11,6 @@ authors:
     given-names: Michael R.
     orcid: https://orcid.org/0000-0002-2961-9670
 title: "runcrate"
-version: 0.3.0
+version: 0.4.0
 doi: 10.5281/zenodo.7762627
-date-released: 2023-10-06
+date-released: 2023-10-10
diff --git a/src/runcrate/__init__.py b/src/runcrate/__init__.py
index 8c1b5f1..03199c2 100644
--- a/src/runcrate/__init__.py
+++ b/src/runcrate/__init__.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.3.0"
+__version__ = "0.4.0"