diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index b86a59b..78bc7c6 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,7 +1,7 @@
 [bumpversion]
 commit = True
 tag = True
-current_version = 0.0.20
+current_version = 0.0.21
 message = Bump version: {current_version} → {new_version} [skip ci]
 
 [bumpversion:file:pyproject.toml]
diff --git a/pyproject.toml b/pyproject.toml
index 564a8de..532ca08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "ocf_data_sampler"
-version = "0.0.20"
+version = "0.0.21"
 license = { file = "LICENSE" }
 readme = "README.md"
 description = "Sample from weather data for renewable energy prediction"