diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4897306..7c188fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.2.0a1 (2023-08-18)
+
+### Fix
+
+- add condition to prevent operating on emty dataframe in consolidation
+
 ## 0.2.0a0 (2023-08-16)
 
 ### Feat
diff --git a/osm4gpd/__version__.py b/osm4gpd/__version__.py
index 5ed4cb0..bbd912b 100644
--- a/osm4gpd/__version__.py
+++ b/osm4gpd/__version__.py
@@ -1 +1 @@
-__version__ = "0.2.0a0"
+__version__ = "0.2.0a1"
diff --git a/pyproject.toml b/pyproject.toml
index 350b1fc..e80f32e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "osm4gpd"
-version = "0.2.0a0"
+version = "0.2.0a1"
 description = "A parser that loads openstreetmaps native protobuf format into a sparse geopandas dataframe."
 authors = ["Christian <christian.knauth@citywalx.net>"]
 readme = "README.md"
@@ -33,7 +33,7 @@ bandit = "^1.7.5"
 pandas-stubs = "^2.0.3.230814"
 
 [tool.commitizen]
-version = "0.2.0a0"
+version = "0.2.0a1"
 tag_format = "$version"
 version_files = [
     "osm4gpd/__version__.py",