diff --git a/.drone.yml b/.drone.yml
index 7917f6c..c410c46 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,6 +10,6 @@ steps:
 - name: pylint
   image: alpine
   commands:
-  - apk add --no-cache python3 py3-lxml py3-pip py3-wheel py3-pylint py3-enchant hunspell-en
+  - apk add --no-cache python3 py3-lxml py3-gevent py3-pip py3-wheel py3-pylint py3-enchant hunspell-en
   - pip3 install --no-cache-dir .[full]
   - pylint morss --rcfile=.pylintrc --disable=C,R,W --fail-under=8