diff --git a/CHANGELOG.md b/CHANGELOG.md
index b0d5c07..a33e7d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,12 @@
 
 > please add your unreleased change here.
 
+## 20240625 - 0.4.0b0
+
 - [Feature] `MERGE_Y` operator support `EXP_TAYLOR` link function
+- [Feature] add graph_builder function to secretflow_serving_lib
+- [Feature] handle 30x http code for model pulling
+- [Feature] support `cast` function of arrow in preprocessing operator
 
 ## 20240524 - 0.3.1b0
 
diff --git a/requirements.txt b/requirements.txt
index 78852d2..23c78ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 grpcio>=1.42.0,!=1.48.0
 protobuf>=4,<5
 pyarrow==14.0.2
+numpy<2
diff --git a/secretflow_serving_lib/version.py b/secretflow_serving_lib/version.py
index 28be728..49ab6fe 100644
--- a/secretflow_serving_lib/version.py
+++ b/secretflow_serving_lib/version.py
@@ -13,4 +13,4 @@
 # limitations under the License.
 
 
-__version__ = "0.4.0.dev$$DATE$$"
+__version__ = "0.4.0b0"
diff --git a/version.txt b/version.txt
index 28be728..49ab6fe 100644
--- a/version.txt
+++ b/version.txt
@@ -13,4 +13,4 @@
 # limitations under the License.
 
 
-__version__ = "0.4.0.dev$$DATE$$"
+__version__ = "0.4.0b0"