diff --git a/.drone.yml b/.drone.yml
index faa4d2b..cd87854 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -33,6 +33,7 @@ steps:
     PRODUCER_REDIS: cache
   commands:
   - pip3 install --cache-dir='./.pipcache' -r requirements.txt
+  - pip3 install --cache-dir='./.pipcache' -r requirements_dev.txt
   - pytest
 
 - name: coverage
@@ -41,7 +42,7 @@ steps:
     PRODUCER_REDIS: cache
   commands:
     - pip3 install --cache-dir='./.pipcache' -r requirements.txt
-    - pip3 install --cache-dir='./.pipcache' coverage pytest
+    - pip3 install --cache-dir='./.pipcache' -r requirements_dev.txt
     - coverage run -m pytest
     - coverage report -m