diff --git a/Dockerfile b/Dockerfile
index 2dbb7de..87a3657 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ RUN set -ex \
       -mod=readonly
 
 
-FROM alpine:3.22@sha256:4b7ce07002c69e8f3d704a9c5d6fd3053be500b7f1c69fc0d80990c2ad8dd412
+FROM alpine:3.23@sha256:51183f2cfa6320055da30872f211093f9ff1d3cf06f39a0bdb212314c5dc7375
 
 LABEL org.opencontainers.image.authors='Knut Ahlers <knut@ahlers.me>' \
     org.opencontainers.image.version='1.20.0' \