fix GEARPUMP-186 Create 0.8.1 release

Author: Kam Kasravi <kamkasravi@yahoo.com>

Closes #70 from kkasravi/GEARPUMP-186.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b87b68..564899e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 ==================
 Change log:
 ------------------
+- GEARPUMP-186 Create 0.8.1 release
 - GEARPUMP-184 Create 0.8.1-RC5 release
 - GEARPUMP-183 missing licenses headers and files
 - GEARPUMP-182 Correct references required for source release in LICENSE file
diff --git a/docs/_config.yml b/docs/_config.yml
index 54589d2..eaa5b33 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -16,6 +16,6 @@
   - build_doc.sh
 
 # These allow the documentation to be updated with newer releases of Gearpump
-GEARPUMP_VERSION: 0.8.1-RC5
+GEARPUMP_VERSION: 0.8.1
 SCALA_BINARY_VERSION: "2.11"
 SCALA_VERSION: "2.11.8"
diff --git a/version.sbt b/version.sbt
index 63918d1..c19a44b 100644
--- a/version.sbt
+++ b/version.sbt
@@ -16,4 +16,4 @@
  * limitations under the License.
  */
 
-version in ThisBuild := "0.8.1-RC5"
+version in ThisBuild := "0.8.1"