diff --git a/Dockerfile b/Dockerfile
index ae2c0667d..5524bf234 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15.2
+FROM alpine:3.15.3
 
 VOLUME /var/www/app/data
 VOLUME /var/www/app/plugins