diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad6b465..5902823 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v0.6.15
+
+* Increase auth token expiration buffer from 5s to 60s.
+
 ## v0.6.14
 
 * Added a retry mechanism for HTTP failures raised as `URLError`.
diff --git a/railib/__init__.py b/railib/__init__.py
index b5e9a26..34195d7 100644
--- a/railib/__init__.py
+++ b/railib/__init__.py
@@ -12,5 +12,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version_info__ = (0, 6, 14)
+__version_info__ = (0, 6, 15)
 __version__ = ".".join(map(str, __version_info__))