diff --git a/composer.json b/composer.json
index 1f761f090..f092725e9 100644
--- a/composer.json
+++ b/composer.json
@@ -65,7 +65,7 @@
         "phpstan/phpstan": "^0.12.96",
         "phpunit/phpunit": "^9.5",
         "slim/http": "^1.2",
-        "slim/psr7": "^1.4",
+        "slim/psr7": "^1.5",
         "squizlabs/php_codesniffer": "^3.6"
     },
     "autoload": {