diff --git a/src/uni2ts/__about__.py b/src/uni2ts/__about__.py
index 49f235b..39baea8 100644
--- a/src/uni2ts/__about__.py
+++ b/src/uni2ts/__about__.py
@@ -13,4 +13,4 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
-__version__ = "1.1.1"
+__version__ = "1.2.0"