diff --git a/1.6/Dockerfile b/1.6/Dockerfile
index 4635779..69b71dd 100644
--- a/1.6/Dockerfile
+++ b/1.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.3.20-fpm-buster@sha256:c0d4ec65270f791db7c6c20e6f001fcab86f89a45376a8c635f6f365f0edeb8c
+FROM php:7.3.20-fpm-buster@sha256:a3e10befa565667a96b25b34f5cb7729c41be3eb3e2add67924e736c343735f7
 
 # renovate: datasource=github-tags depName=getgrav/grav versioning=semver
 ENV GRAV_VERSION 1.6.26
diff --git a/1.7/Dockerfile b/1.7/Dockerfile
index 947d10a..13f576f 100644
--- a/1.7/Dockerfile
+++ b/1.7/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.3.20-fpm-buster@sha256:c0d4ec65270f791db7c6c20e6f001fcab86f89a45376a8c635f6f365f0edeb8c
+FROM php:7.3.20-fpm-buster@sha256:a3e10befa565667a96b25b34f5cb7729c41be3eb3e2add67924e736c343735f7
 
 # renovate: datasource=github-tags depName=getgrav/grav versioning=semver
 ENV GRAV_VERSION 1.7.0-rc.15