diff --git a/causalpy/version.py b/causalpy/version.py
index 0bfdb7a6..0eff305a 100644
--- a/causalpy/version.py
+++ b/causalpy/version.py
@@ -13,4 +13,4 @@
 #   limitations under the License.
 """CausalPy Version"""
 
-__version__ = "0.3.0"
+__version__ = "0.3.1"
diff --git a/pyproject.toml b/pyproject.toml
index 0fd0d4e4..163c3220 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ exclude = ["causalpy.test*", "docs*"]
 
 [project]
 name = "CausalPy"
-version = "0.3.0"
+version = "0.3.1"
 description = "Causal inference for quasi-experiments in Python"
 readme = "README.md"
 license = { file = "LICENSE" }
@@ -39,7 +39,7 @@ dependencies = [
     "scipy",
     "seaborn>=0.11.2",
     "statsmodels",
-    "xarray>=v2022.11.0"
+    "xarray>=v2022.11.0",
 ]
 
 # List additional groups of dependencies here (e.g. development dependencies). Users