diff --git a/.drone.yml b/.drone.yml
index 5837390..f33d78f 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,6 +10,8 @@ steps:
   image: bv11-cr01.bessems.eu/proxy/alpine/git
   commands:
     - git clone https://mau.dev/tulir/mautrix-whatsapp.git .
+    # Inject 'apk upgrade' and removal of apk-cache into Dockerfile
+    - sed -e 's|apk add --no-cache .*|apk upgrade --update-cache --available \&\& \\\n    & \&\& \\\n    rm -rf /var/lib/apt/lists/* \&\& \\\n    rm /var/cache/apk/*|g' -i ./Dockerfile
 
 - name: build & publish
   image: plugins/docker