diff --git a/Dockerfile b/Dockerfile
index edf6ba2..cd37815 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN set -ex; \
     cd /build; \
     make build;
 
-FROM debian:bullseye-slim@sha256:b0c91cc181796d34c53f7ea106fbcddaf87f3e601cc371af6a24a019a489c980
+FROM debian:bullseye-slim@sha256:6344a6747740d465bff88e833e43ef881a8c4dd51950dba5b30664c93f74cbef
 
 COPY --from=build /build/bin/signaling /usr/local/bin/signaling
 COPY --from=build /build/server.conf.in /config/server.conf