diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index df7006cb..950a9d3d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,9 +21,22 @@ jobs:
         with:
           environments: release
 
+      - name: Ensure tag matches version
+        if: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
+        run: |
+          version="$(pixi exec -s go-yq -- yq .project.version pyproject.toml)"
+          tag="${{ github.ref_name }}"
+          if [ "$version" != "$tag" ]; then
+            echo "Tag $tag does not match version $version"
+            exit 1
+          fi
+
       - name: Build
         run: pixi run -e release hatch build
 
+      - name: Check build
+        run: pixi run -e release twine check dist/*
+
       - name: List files
         run: ls -l dist/
 
diff --git a/docs/source/changelog.md b/docs/source/changelog.md
index 543d94ba..05df9d51 100644
--- a/docs/source/changelog.md
+++ b/docs/source/changelog.md
@@ -1,7 +1,11 @@
 # Changelog
 
-## unreleased
+## 0.2.0 (2024-08-31)
 
+- add polars backend
+- add Date and Duration type
+- string / datetime operations now have their separate namespace (.str / .dt)
+- add partition_by=, arrange= and filter= arguments for window / aggregation functions (filter does not work on SQL yet)
 - migrate project to pixi
 
 ## 0.1.5 (2024-04-20)
diff --git a/pyproject.toml b/pyproject.toml
index 0c495b42..8e7e4ac5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "pydiverse-transform"
-version = "0.1.5"
+version = "0.2.0"
 description = "Pipe based dataframe manipulation library that can also transform data on SQL databases"
 authors = [
     {name = "QuantCo, Inc."},