diff --git a/.drone.yml b/.drone.yml
index 5ed22ab..35bf19e 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -3,10 +3,10 @@ name: default
 
 steps:
 - name: test
-  image: debian:buster
+  image: debian:bullseye
   commands:
-    - apt-get update -y
-    - apt-get install -y locales openjdk-11-jre python3-pip
+    - apt update -y
+    - apt install -y locales openjdk-11-jre python3-pip
     - sed -e 's|^# es_ES.UTF-8 UTF-8|es_ES.UTF-8 UTF-8|g' -i /etc/locale.gen
     - sed -e 's|^# en_US.UTF-8 UTF-8|en_US.UTF-8 UTF-8|g' -i /etc/locale.gen
     - sed -e 's|^# eo UTF-8|eo UTF-8|g' -i /etc/locale.gen