diff --git a/Dockerfile b/Dockerfile
index fa5cdd8..8564432 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.23.2
+FROM alpine:3.23.3
 
 # renovate: datasource=repology depName=alpine_3_22/iperf3 versioning=loose
 ARG IPERF3_VERSION="3.19.1-r1"