diff --git a/openid-connect-provider-debugger/Dockerfile-test b/openid-connect-provider-debugger/Dockerfile-test
index 6d3cc76..fc4db5e 100644
--- a/openid-connect-provider-debugger/Dockerfile-test
+++ b/openid-connect-provider-debugger/Dockerfile-test
@@ -1,4 +1,4 @@
-FROM alpine:3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c
+FROM alpine:3.22.1@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1
 
 HEALTHCHECK NONE