diff --git a/Dockerfile b/Dockerfile
index 8fd61f29d60a1381199ae1b403a7615d9819bcdf..7269494e278ee75a822bee7d8985bc649fcec67f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:stable-slim
+FROM debian:bullseye-slim
 
 RUN apt-get -q update && \
     env DEBIAN_FRONTEND=noninteractive apt-get -y install prometheus && \