diff --git a/composer.json b/composer.json
index b74219b9..368169ac 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "monolog/monolog": "^2.9",
         "php-di/php-di": "^6.4",
         "slim/psr7": "^1.6",
-        "slim/slim": "^4.12"
+        "slim/slim": "^4.13"
     },
     "require-dev": {
         "jangregor/phpstan-prophecy": "^1.0.0",