diff --git a/1.6/Dockerfile b/1.6/Dockerfile
index 796235f..5302159 100644
--- a/1.6/Dockerfile
+++ b/1.6/Dockerfile
@@ -3,7 +3,7 @@ FROM php:7.3.27-fpm-buster@sha256:5045da69413ccd39a2d3deadb3f1a20e4270d75f163cbf
 SHELL [ "/bin/bash", "-exo", "pipefail", "-c" ]
 
 # renovate: datasource=github-tags depName=getgrav/grav versioning=semver
-ENV GRAV_VERSION 1.6.31
+ENV GRAV_VERSION 1.7.7
 # 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
diff --git a/1.6/Dockerfile.prod b/1.6/Dockerfile.prod
index bdec04a..cb54ea2 100644
--- a/1.6/Dockerfile.prod
+++ b/1.6/Dockerfile.prod
@@ -3,7 +3,7 @@ FROM php:7.3.27-fpm-buster@sha256:5045da69413ccd39a2d3deadb3f1a20e4270d75f163cbf
 SHELL [ "/bin/bash", "-exo", "pipefail", "-c" ]
 
 # renovate: datasource=github-tags depName=getgrav/grav versioning=semver
-ENV GRAV_VERSION 1.6.31
+ENV GRAV_VERSION 1.7.7
 # 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