diff --git a/Dockerfile b/Dockerfile
index 1855cac..fce80f7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.16@sha256:e2dd261f92e4b763d789984f6eab84be66ab4f5f08052316d8eb8f173593acf7
 
-FROM alpine:3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c AS build-base
+FROM alpine:3.22.0@sha256:8a1f59ffb675680d47db6337b49d22281a139e9d709335b492be023728e11715 AS build-base
 
 ARG TARGETARCH
 
diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index c3053f8..a7e1d46 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -14,7 +14,7 @@ services:
     command: -v -v
 
   sut:
-    image: alpine:3.21@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c
+    image: alpine:3.22@sha256:8a1f59ffb675680d47db6337b49d22281a139e9d709335b492be023728e11715
     depends_on:
       - server
     volumes: