diff --git a/1.6/Dockerfile b/1.6/Dockerfile
index e3ed62a..68942f1 100644
--- a/1.6/Dockerfile
+++ b/1.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.3.22-fpm-buster@sha256:a5bc35ac1aca7a9420617c3b97a80c27045fe25ae362d641dee00b1f69a9213f
+FROM php:7.3.22-fpm-buster@sha256:3e698733aebcd956a9cc6e769766d0db778480549ce2a158a1d10d27295689f6
 
 # renovate: datasource=github-tags depName=getgrav/grav versioning=semver
 ENV GRAV_VERSION 1.6.27
diff --git a/1.7/Dockerfile b/1.7/Dockerfile
index 60faf64..1ea0389 100644
--- a/1.7/Dockerfile
+++ b/1.7/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.3.22-fpm-buster@sha256:a5bc35ac1aca7a9420617c3b97a80c27045fe25ae362d641dee00b1f69a9213f
+FROM php:7.3.22-fpm-buster@sha256:3e698733aebcd956a9cc6e769766d0db778480549ce2a158a1d10d27295689f6
 
 # renovate: datasource=github-tags depName=getgrav/grav versioning=semver
 ENV GRAV_VERSION 1.7.0-rc.16