diff --git a/router/Dockerfile b/router/Dockerfile
index c5c8c21..a5b7015 100644
--- a/router/Dockerfile
+++ b/router/Dockerfile
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-FROM       alpine:3.2
+FROM       alpine:3.21.2
 MAINTAINER Stefano Harding <riddopic@gmail.com>
 
 ADD root /