diff --git a/Dockerfile b/Dockerfile
index 088a6e7..f7ccad7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:10-slim
+FROM debian:11-slim
 RUN apt-get update && apt-get install -y apache2 \
     curl netcat nmap openssl iputils-ping dnsutils \
     ntpdate net-tools \