diff --git a/databricks/koalas/version.py b/databricks/koalas/version.py
index 9c03b1d6a1..7f47235df2 100644
--- a/databricks/koalas/version.py
+++ b/databricks/koalas/version.py
@@ -14,4 +14,4 @@
 # limitations under the License.
 #
 
-__version__ = "1.5.0"
+__version__ = "1.6.0"
diff --git a/docs/source/development/contributing.rst b/docs/source/development/contributing.rst
index e49cb1e1a5..0ab8567e1d 100644
--- a/docs/source/development/contributing.rst
+++ b/docs/source/development/contributing.rst
@@ -152,7 +152,7 @@ The chart below is the expected release dates of minor releases.
 +------------+---------+
 | Date       | Version |
 +============+=========+
-| 01/15 2020 | 1.6.0   |
+| 02/10 2020 | 1.7.0   |
 +------------+---------+
 
 Release Instructions