diff --git a/docker/Dockerfile b/docker/Dockerfile
index 5d18bc9..f7dbdf7 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.2-cli-alpine
+FROM php:8.5-cli-alpine
 
 # Install system dependencies
 RUN apk add --no-cache \
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index e373964..4198f8e 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -18,7 +18,7 @@ services:
 
   # PHP 8.3 for testing compatibility
   php83:
-    image: php:8.3-cli-alpine
+    image: php:8.5-cli-alpine
     volumes:
       - ..:/app
     working_dir: /app