diff --git a/Dockerfile b/Dockerfile
index d17c327..0a5438e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN set -ex; \
     cd /build; \
     make build;
 
-FROM debian:bullseye-slim@sha256:4e9b634e893784ba341cb177e5c58afebd7e8be7675a9c4d530b5e39c30235bd
+FROM debian:bullseye-slim@sha256:acc5810124f0929ab44fc7913c0ad936b074cbd3eadf094ac120190862ba36c4
 
 COPY --from=build /build/bin/signaling /usr/local/bin/signaling
 COPY --from=build /build/server.conf.in /config/server.conf