diff --git a/CHANGELOG.md b/CHANGELOG.md
index 061f1cd..015d3af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## v0.5.1 (2024-03-22)
+* Added generic return type to fetch()
+
 ## v0.5.0 (2024-03-22)
 * Renamed FileStore multi-get methods to scan*()
 
diff --git a/src/Stash/Store.php b/src/Stash/Store.php
index da94bca..5b24e8d 100644
--- a/src/Stash/Store.php
+++ b/src/Stash/Store.php
@@ -36,7 +36,9 @@ public function getNamespace(): string;
     public function getDriver(): Driver;
 
     /**
-     * @param Closure(Item, Store): mixed $generator
+     * @template T
+     * @param Closure(Item, Store): T $generator
+     * @return T
      */
     public function fetch(
         string $key,