diff --git a/erniebot/version.py b/erniebot/version.py
index e37032916..117b88fde 100644
--- a/erniebot/version.py
+++ b/erniebot/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-VERSION = '0.0.0.dev0'
+VERSION = '0.4.0'