diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9dcfa9f..dc8b16d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 9.1.0 (2025-07-24)
+
+* Update OpenTelemetry conventions ([#245](https://github.com/elastic/elastic-transport-python/pull/245))
+
 ## 8.17.1 (2025-03-12)
 
 * Ensure compatibility with httpx v0.28.0+ ([#222](https://github.com/elastic/elastic-transport-python/pull/222), contributed by Arch Linux maintainer @carlsmedstad)
diff --git a/elastic_transport/_version.py b/elastic_transport/_version.py
index a668e2e..552f86b 100644
--- a/elastic_transport/_version.py
+++ b/elastic_transport/_version.py
@@ -15,4 +15,4 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
-__version__ = "8.17.1"
+__version__ = "9.1.0"