diff --git a/Dockerfile b/Dockerfile
index b089804..5e3d71a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN set -ex; \
     cd /build; \
     make build;
 
-FROM debian:buster-slim@sha256:b586cf8c850cada85a47599f08eb34ede4a7c473551fd7c68cbf20ce5f8dbbf1
+FROM debian:buster-slim@sha256:f077cd32bfea6c4fa8ddeea05c53b27e90c7fad097e2011c9f5f11a8668f8db4
 
 COPY --from=build /build/bin/signaling /usr/local/bin/signaling
 COPY --from=build /build/server.conf.in /config/server.conf