diff --git a/packaging/docker/Dockerfile.debian b/packaging/docker/Dockerfile.debian
index 77d78d5c7..f6769d99b 100644
--- a/packaging/docker/Dockerfile.debian
+++ b/packaging/docker/Dockerfile.debian
@@ -21,7 +21,7 @@
 ###################################################################################
 
 # You can choose between Debian and Ubuntu here
-FROM debian:buster AS dev
+FROM debian:bullseye AS dev
 
 ARG GIT_REV=unknown
 ARG GIT_BRANCH=unknown
diff --git a/packaging/docker/Dockerfile.debian-multiarch b/packaging/docker/Dockerfile.debian-multiarch
index ea635dabf..25023535d 100644
--- a/packaging/docker/Dockerfile.debian-multiarch
+++ b/packaging/docker/Dockerfile.debian-multiarch
@@ -21,7 +21,7 @@
 ###################################################################################
 
 # You can choose between Debian and Ubuntu here
-FROM debian:buster AS dev
+FROM debian:bullseye AS dev
 
 ARG GIT_REV=unknown
 ARG GIT_BRANCH=unknown