diff --git a/1.7/Dockerfile b/1.7/Dockerfile
index bbfeb9c..2afb892 100644
--- a/1.7/Dockerfile
+++ b/1.7/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.4.20-fpm-buster@sha256:c5132fe8a019128a89bcc157f5e2b8544ea3078fb9aba076bfe27486f34b0fb5
+FROM php:7.4.21-fpm-buster@sha256:a6747b4ee9b95efbb87dc88104be54c44ab63f086eb8c0aa3c19980118ea6040
 
 SHELL [ "/bin/bash", "-exo", "pipefail", "-c" ]
 
diff --git a/1.7/Dockerfile.prod b/1.7/Dockerfile.prod
index 205f260..7f45a5a 100644
--- a/1.7/Dockerfile.prod
+++ b/1.7/Dockerfile.prod
@@ -1,4 +1,4 @@
-FROM php:7.4.20-fpm-buster@sha256:c5132fe8a019128a89bcc157f5e2b8544ea3078fb9aba076bfe27486f34b0fb5
+FROM php:7.4.21-fpm-buster@sha256:a6747b4ee9b95efbb87dc88104be54c44ab63f086eb8c0aa3c19980118ea6040
 
 SHELL [ "/bin/bash", "-exo", "pipefail", "-c" ]