diff --git a/Dockerfile b/Dockerfile
index cc58195..9e585ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.4.20-cli-alpine3.13
+FROM php:7.4.26-cli-alpine3.15
 LABEL Maintainer="ShaoBo Wan (Tinywan) <756684177@qq.com>" \
       Description="Webman Lightweight container with PHP 7.4 based on Alpine Linux."
 
diff --git a/README.md b/README.md
index 10b1f2b..85b17da 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 ## Build
 
 ```
-docker build -t tinywan/docker-php-webman:7.4.14 .
+docker build -t tinywan/docker-php-webman:7.4.26 .
 ```
 ## Usage