diff --git a/Dockerfile b/Dockerfile
index baf12c3..e0cdc14 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.21.2
+FROM alpine:3.21.3
 
 RUN apk --no-cache add net-snmp
 ADD mibs.tar.gz /mibs/