diff --git a/Dockerfile b/Dockerfile
index f49d395..b15aaed 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG NEXTCLOUD_VERSION=29.0.0
 ARG PHP_VERSION=8.2
 ARG NGINX_VERSION=1.26
 
-ARG ALPINE_VERSION=3.19
+ARG ALPINE_VERSION=3.20
 ARG HARDENED_MALLOC_VERSION=11
 ARG SNUFFLEUPAGUS_VERSION=0.10.0