diff --git a/.drone.yml b/.drone.yml
index 47bd25a1..f578609a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -23,6 +23,10 @@ steps:
   - npm install --global --save-dev @commitlint/config-conventional @commitlint/cli
   - "echo \"module.exports = {extends: ['@commitlint/config-conventional']}\" > commitlint.config.js"
   - echo $DRONE_COMMIT_MESSAGE | commitlint
+  when:
+    branch:
+      exclude:
+      - chore-bumping-version
 
 - name: setup ci environment
   image: gnes/ci-base
@@ -33,6 +37,10 @@ steps:
   - cat /proc/cpuinfo | grep flags
   - "python -c 'import tensorflow as tf; print(tf.__version__); a=tf.constant(1, tf.int32); print(tf.Session().run(a))'"
   - nvcc --version
+  when:
+    branch:
+      exclude:
+      - chore-bumping-version
 
 - name: install gnes and unit test
   image: gnes/ci-base
@@ -45,6 +53,10 @@ steps:
   - "python -c 'import torchvision; print(torchvision.__version__)'"
   - "python -c 'import torch; print(torch.__version__)'"
   - python -m unittest tests/*.py -v
+  when:
+    branch:
+      exclude:
+      - chore-bumping-version
 
 
 - name: notify the sucess on wechat work