diff --git a/.drone.yml b/.drone.yml
index 6512e8d..49be844 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -21,7 +21,6 @@ steps:
   image: "python:3.8"
   commands:
   - pip3 install --cache-dir='./.pipcache' pylint bandit mccabe
-  - pip3 install --cache-dir='./.pipcache' cython numpy==1.18.2
   - pip3 install --cache-dir='./.pipcache' -r requirements.txt
   - find . -name "*.py" -exec python3 -m py_compile '{}' \;
   - find . -name "*.py" -exec pylint '{}' + || if [ $? -eq 1 ]; then echo "you fail"; fi
@@ -63,4 +62,5 @@ steps:
 
 volumes:
   - name: cache
-    temp: {}
+    host:
+      path: /tmp/cache
diff --git a/Dockerfile b/Dockerfile
index bfc818c..bd88bcb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,6 @@ ENV PIP_NO_CACHE_DIR=true
 ENV TZ Europe/Budapest
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
-RUN pip3 install cython numpy==1.18.2 && pip3 install -r requirements.txt
+RUN pip3 install -r requirements.txt
 
 ENTRYPOINT ["python3","main.py"]