diff --git a/.drone.yml b/.drone.yml
index 2e52317..db5a2c1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -68,6 +68,34 @@ steps:
 
 ---
 kind: pipeline
+type: docker
+name: docker_python:3.6
+
+steps:
+  - name: Run unit test
+    image: python:3.6
+    environment:
+      PYTHONPATH: .
+    commands:
+      - pip install python-dateutil
+      - python setup.py test
+
+---
+kind: pipeline
+type: docker
+name: docker_python:latest
+
+steps:
+  - name: Run unit test
+    image: python:latest
+    environment:
+      PYTHONPATH: .
+    commands:
+      - pip install python-dateutil
+      - python --version
+      - python setup.py test
+---
+kind: pipeline
 type: exec
 name: Build
 
@@ -108,3 +136,5 @@ depends_on:
   - CentOS8_test
   - Ubuntu1804_test
   - Fedora_test
+  - docker_python:latest
+  - docker_python:3.6