diff --git a/Dockerfile b/Dockerfile
index 0859fdc4c8..3190fec5c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-
  && npm ci --no-audit --unsafe-perm \
  && mv dist /dist
 
-FROM debian:buster-slim as app
+FROM debian:bullseye-slim as app
 
 # https://askubuntu.com/questions/972516/debian-frontend-environment-variable
 ARG DEBIAN_FRONTEND="noninteractive"
diff --git a/Dockerfile.arm b/Dockerfile.arm
index cc0c79c94f..dcd006ff83 100644
--- a/Dockerfile.arm
+++ b/Dockerfile.arm
@@ -14,7 +14,7 @@ RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-
  && mv dist /dist
 
 FROM multiarch/qemu-user-static:x86_64-arm as qemu
-FROM arm32v7/debian:buster-slim as app
+FROM arm32v7/debian:bullseye-slim as app
 
 # https://askubuntu.com/questions/972516/debian-frontend-environment-variable
 ARG DEBIAN_FRONTEND="noninteractive"
diff --git a/Dockerfile.arm64 b/Dockerfile.arm64
index 64367a32da..7311c6b9ff 100644
--- a/Dockerfile.arm64
+++ b/Dockerfile.arm64
@@ -14,7 +14,7 @@ RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-
  && mv dist /dist
 
 FROM multiarch/qemu-user-static:x86_64-aarch64 as qemu
-FROM arm64v8/debian:buster-slim as app
+FROM arm64v8/debian:bullseye-slim as app
 
 # https://askubuntu.com/questions/972516/debian-frontend-environment-variable
 ARG DEBIAN_FRONTEND="noninteractive"