diff --git a/Dockerfile b/Dockerfile
index 83665e1..5b9d46b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@
 FROM        debian:stable-backports
 
 VOLUME      ["/var/cache/apt-cacher-ng"]
-RUN     apt-get update && apt dist-upgrade -y && apt-get install -t buster-backports -y apt-cacher-ng wget && rm -rf /var/lib/apt/lists/*
+RUN     apt-get update && apt dist-upgrade -y && apt-get install -t $(env -i bash -c '. /etc/os-release; echo $VERSION_CODENAME')-backports -y apt-cacher-ng wget && rm -rf /var/lib/apt/lists/*
 RUN     echo "PassThroughPattern: .*" >> /etc/apt-cacher-ng/zz_debconf.conf
 EXPOSE      3142