diff --git a/README.md b/README.md
index fc7be23..ef98d5c 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@ This GitHub Action (amd64) deploys files in `GITHUB_WORKSPACE` to a remote folde
 
 Use this action in a CD workflow which leaves deployable code in `GITHUB_WORKSPACE`.
 
-The base-image [drinternet/rsync](https://github.com/JoshPiper/rsync-docker/) of this action is very small and is based on Alpine 3.19.1 (no cache) which results in fast deployments.
+The base-image [drinternet/rsync](https://github.com/JoshPiper/rsync-docker/) of this action is very small and is based on Alpine 3.22.1 (no cache) which results in fast deployments.
 
-Alpine version: [3.19.1](https://alpinelinux.org/posts/Alpine-3.19.1-released.html)
+Alpine version: [3.22.1](https://alpinelinux.org/posts/Alpine-3.19.8-3.20.7-3.21.4-3.22.1-released.html)
 Rsync version: [3.4.0-r0](https://download.samba.org/pub/rsync/NEWS#3.4.0)
 
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