diff --git a/Dockerfile b/Dockerfile
index fa904fb..0f81d5d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN set -ex; \
     cd /build; \
     make build;
 
-FROM debian:bullseye-slim@sha256:b257e5e831aa9949737638f6d323cd563347b2a5571d98b9b15eef0c7cd80b68
+FROM debian:bullseye-slim@sha256:9058862a1be84689bd13292549ba981364f85ff99e50a612f94b188ac69db137
 
 COPY --from=build /build/bin/signaling /usr/local/bin/signaling
 COPY --from=build /build/server.conf.in /config/server.conf