diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9fcf126..6c16881 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 Latest
 ------
 
+### Changes
+* [#37](https://github.com/cleverage/cache-process-bundle/issues/37) Require `psr/cache`, used directly by `Adapter` and `AbstractCacheTask` but only installed through `symfony/cache` and `cleverage/process-bundle`.
+
 v2.2
 ------
 
diff --git a/composer.json b/composer.json
index 3e9c45d..9dca794 100644
--- a/composer.json
+++ b/composer.json
@@ -33,6 +33,7 @@
     "require": {
         "php": ">=8.2",
         "cleverage/process-bundle": "^5.0",
+        "psr/cache": "^2 || ^3",
         "symfony/cache": "^6.4 || ^7.4 || ^8",
         "symfony/config": "^6.4 || ^7.4 || ^8",
         "symfony/dependency-injection": "^6.4 || ^7.4 || ^8",