diff --git a/1.6/Dockerfile b/1.6/Dockerfile
index 063b69c..322b1c9 100644
--- a/1.6/Dockerfile
+++ b/1.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.3.26-fpm-buster@sha256:cca12409a6b5f035af4e495a25fc2639fc82516d02e25457dbdf8505676ee4b0
+FROM php:7.4.14-fpm-buster@sha256:c1f7ffbe18bbde526c883284d6f02fd26ff11717c1b4e4e9e8815ea177768315
 
 SHELL [ "/bin/bash", "-c" ]