diff --git a/.github/workflows/update_assets.yml b/.github/workflows/update_assets.yml
index d54fefe..b198e1c 100644
--- a/.github/workflows/update_assets.yml
+++ b/.github/workflows/update_assets.yml
@@ -67,6 +67,10 @@ jobs:
           pip install
           -e
           .
+      - name: Install protobuf only for pymilvus2.1
+        run:
+          python -m pip install protobuf==3.20.0
+
       - name: Install pyreadline
         run: >-
           python -m
@@ -102,6 +106,10 @@ jobs:
           pip install
           -e
           .
+      - name: Install protobuf only for pymilvus2.1
+        run:
+          python -m pip install protobuf==3.20.0
+      
       - name: Install pyinstaller.
         run: >-
           python -m
diff --git a/docker/Dockerfile b/docker/Dockerfile
index b590059..486fed8 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,6 @@
 From python:3.8-slim
 
-RUN pip install milvus-cli==0.2.0
+RUN pip install milvus-cli==0.3.0
+RUN pip3 install protobuf==3.20.0 
 
 ENTRYPOINT ["milvus_cli"]