diff --git a/CHANGELOG b/CHANGELOG
index 3a754d1..5309451 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,10 @@
+v1.6.1
+  Version 1.6.1
+
+  Bugfix release
+
+  - Fixed a bug where using google-auth with scoped credentials would fail. (#328)
+
 v1.6.0
   Version 1.6.0
 
diff --git a/googleapiclient/__init__.py b/googleapiclient/__init__.py
index 84d7687..1d2baf1 100644
--- a/googleapiclient/__init__.py
+++ b/googleapiclient/__init__.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.6.0"
+__version__ = "1.6.1"
 
 # Set default logging handler to avoid "No handler found" warnings.
 import logging