diff --git a/composer.json b/composer.json
index c773462..8690edb 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "cache/tag-interop": "^1.0",
         "psr/cache": "^1.0 || ^2.0",
         "psr/log": "^1.0 || ^2.0 || ^3.0",
-        "psr/simple-cache": "^1.0"
+        "psr/simple-cache": "^2.0"
     },
     "require-dev": {
         "cache/integration-tests": "^0.17",