diff --git a/api_core/CHANGELOG.md b/api_core/CHANGELOG.md
index 4bb19a0df1bb..9716ef8ed2fc 100644
--- a/api_core/CHANGELOG.md
+++ b/api_core/CHANGELOG.md
@@ -4,6 +4,20 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+## 1.10.0
+
+04-29-2019 10:12 PDT
+
+### Implementation Changes
+
+- Append leading zeros for nanosecond precision DateTimes
+  ([#7663](https://github.com/googleapis/google-cloud-python/pull/7663))
+
+### New Features
+
+- Add `user_agent` property to `ClientInfo`
+  ([#7799](https://github.com/googleapis/google-cloud-python/pull/7799))
+
 ## 1.9.0
 
 04-05-2019 10:38 PDT
diff --git a/api_core/setup.py b/api_core/setup.py
index 9f2b98833ea2..e3b26e46e483 100644
--- a/api_core/setup.py
+++ b/api_core/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-api-core"
 description = "Google API client core library"
-version = "1.9.0"
+version = "1.10.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'