diff --git a/Dockerfile b/Dockerfile
index 2d6d0a4..18a5108 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add --no-cache git && \
 
 
 
-FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a AS tmate-installation
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45 AS tmate-installation
 
 ARG ARCH
 ARG ARCH_AUX