diff --git a/Dockerfile b/Dockerfile
index 00a7596..0209f42 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
  
-FROM php:7.4-cli-alpine3.11
+FROM php:8.0-cli-alpine3.12
 
 RUN apk add --no-cache \
         libzip-dev \
diff --git a/composer.json b/composer.json
index 1a1f5a8..8b8bb97 100644
--- a/composer.json
+++ b/composer.json
@@ -15,11 +15,11 @@
     }
   },
   "require": {
-    "php": "^7.4",
+    "php": "^7.4 | ^8.0",
     "guzzlehttp/guzzle": "^6.5 | ^7.0",
     "zoilomora/elastic-apm-agent-php": "^0.1 | ^1.0"
   },
   "require-dev": {
-    "pccomponentes/coding-standard": "^1.0"
+    "pccomponentes/coding-standard": "^1.2.3"
   }
 }