diff --git a/1.6/Dockerfile b/1.6/Dockerfile
index 0d8f79d..193eece 100644
--- a/1.6/Dockerfile
+++ b/1.6/Dockerfile
@@ -3,7 +3,7 @@ FROM php:7.3.26-fpm-buster@sha256:6bc677764c7f94da7c93a45e2831a6c1774001ff61e822
 SHELL [ "/bin/bash", "-c" ]
 
 # renovate: datasource=github-tags depName=getgrav/grav versioning=semver
-ENV GRAV_VERSION 1.6.31
+ENV GRAV_VERSION 1.7.5
 # renovate: datasource=github-tags depName=krakjoe/apcu versioning=semver
 ENV PHP_APCU_VERSION v5.1.19
 # renovate: datasource=github-tags depName=php/pecl-file_formats-yaml versioning=semver