diff --git a/Dockerfile b/Dockerfile
index 96d8ca9..1e6dd6a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:11.2-slim@sha256:40f90ead34f61f38c69fd604878c73c75ec944055328b9883f3b643c1b8886f0
+FROM debian:11.3-slim@sha256:78fd65998de7a59a001d792fe2d3a6d2ea25b6f3f068e5c84881250373577414
 
 ENV COTURN_VERSION="4.5.2"
 ENV PROMETHEUS_CLIENT_VERSION="v0.1.3"