diff --git a/.changelog/unreleased/dependencies/97-update-rocksdb.md b/.changelog/v0.9.0/dependencies/97-update-rocksdb.md
similarity index 100%
rename from .changelog/unreleased/dependencies/97-update-rocksdb.md
rename to .changelog/v0.9.0/dependencies/97-update-rocksdb.md
diff --git a/.changelog/unreleased/go-version/98-bump-go-v1.21.md b/.changelog/v0.9.0/go-version/98-bump-go-v1.21.md
similarity index 100%
rename from .changelog/unreleased/go-version/98-bump-go-v1.21.md
rename to .changelog/v0.9.0/go-version/98-bump-go-v1.21.md
diff --git a/.changelog/v0.9.0/summary.md b/.changelog/v0.9.0/summary.md
new file mode 100644
index 0000000..2103a04
--- /dev/null
+++ b/.changelog/v0.9.0/summary.md
@@ -0,0 +1,6 @@
+*December 1, 2024*
+
+This release primarily updates some key dependencies, including adding support
+for RocksDB v8. It also bumps the minimum Go version to v1.21 in order for
+CometBFT to be able to use it in the E2E testing framework for the latest major
+releases.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7929074..516409a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # CHANGELOG
 
+## v0.9.0
+
+*December 1, 2024*
+
+This release primarily updates some key dependencies, including adding support
+for RocksDB v8. It also bumps the minimum Go version to v1.21 in order for
+CometBFT to be able to use it in the E2E testing framework for the latest major
+releases.
+
+### DEPENDENCIES
+
+- Use RocksDB 8, testing with v8.8.1
+  ([\#97](https://github.com/cometbft/cometbft-db/pull/97))
+
+### GO VERSION
+
+- Bump minimum Go version to v1.21
+  ([\#98](https://github.com/cometbft/cometbft-db/pull/98))
+
 ## v0.8.0
 
 *Apr 26, 2023*