diff --git a/composer.json b/composer.json
index 4c1853a..f88a89b 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     ],
     "require": {
         "php": "^8.1|^8.2|^8.3",
-        "claude-php/claude-php-sdk": "^0.5",
+        "claude-php/claude-php-sdk": "^0.6",
         "psr/log": "^3.0",
         "php-mcp/server": "^1.0",
         "php-mcp/schema": "^1.0",