diff --git a/Dockerfile b/Dockerfile
index 541ddfa..ec13e32 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ COPY . /sources
WORKDIR /sources
RUN cargo build --release
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
# Install git and cleanup package lists.
# This is required for git-http-backend to work.