diff --git a/Dockerfile b/Dockerfile
index bc9fc5e..d69ea31 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:11.1-slim@sha256:656b29915fc8a8c6d870a1247aad7796ce296729b0ae95e168d1cfe30dd2fb3c
+FROM debian:11.2-slim@sha256:b0d53c872fd640c2af2608ba1e693cfc7dedea30abcd8f584b23d583ec6dadc7
 
 ENV COTURN_VERSION="4.5.2"
 ENV PROMETHEUS_CLIENT_VERSION="v0.1.3"