diff --git a/Dockerfile b/Dockerfile
index bd226d5..5b67377 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
 
 RUN apt-get update \
   && apt-get install -y libcurl4 \
@@ -6,4 +6,4 @@ RUN apt-get update \
 
 COPY oidc-test-client /usr/local/bin/oidc-test-client
 
-ENTRYPOINT /usr/local/bin/oidc-test-client
+ENTRYPOINT ["/usr/local/bin/oidc-test-client"]