diff --git a/1.6/Dockerfile b/1.6/Dockerfile
index 18de66c..6642a69 100644
--- a/1.6/Dockerfile
+++ b/1.6/Dockerfile
@@ -1,7 +1,7 @@
 FROM php:7.3.23-fpm-buster@sha256:2adca6ae3a0f650e7ec96198162ac07529401d4dd9f46b925f06c59fd5be5b9a
 
 # renovate: datasource=github-tags depName=getgrav/grav versioning=semver
-ENV GRAV_VERSION 1.6.27
+ENV GRAV_VERSION 1.6.28
 
 RUN set -ex; \
     \