diff --git a/bamboo_engine/__version__.py b/bamboo_engine/__version__.py
index 39cf931..aeff28e 100644
--- a/bamboo_engine/__version__.py
+++ b/bamboo_engine/__version__.py
@@ -11,4 +11,4 @@
 specific language governing permissions and limitations under the License.
 """
 
-__version__ = "2.10.0rc3"
+__version__ = "2.10.0rc4"
diff --git a/pyproject.toml b/pyproject.toml
index 721157f..64a610a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "bamboo-engine"
-version = "2.10.0rc3"
+version = "2.10.0rc4"
 description = "Bamboo-engine is a general-purpose workflow engine"
 authors = ["homholueng <homholueng@gmail.com>"]
 license = "MIT"