diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9dfc6e1..cc94b17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 0.9.0 (2023-09-27)
+
+### Feat
+
+- **ci**: use GitHub run_number for post-release versioning
+
+### Fix
+
+- **packaging**: use post-release versions for PyPI compatibility
+
 ## 0.8.0 (2023-09-26)
 
 ### Feat
diff --git a/pyproject.toml b/pyproject.toml
index 18ff71a..565f694 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "sec-parser"
-version = "0.8.0"
+version = "0.9.0"
 description = "Parse SEC EDGAR HTML documents into a tree of elements that correspond to the visual structure of the document."
 authors = ["Alphanome.AI <info@alphanome.ai>"]
 readme = "docs/README-pypi.md"