diff --git a/.deepsource.toml b/.deepsource.toml
deleted file mode 100644
index 15b54e2..0000000
--- a/.deepsource.toml
+++ /dev/null
@@ -1,7 +0,0 @@
-version = 1
-
-[[analyzers]]
-name = "php"
-
-[[analyzers]]
-name = "shell"
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 35df7e2..59a4e8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ to [Semantic Versioning](http://semver.org/).
 
 ## [unreleased] Unreleased
 
+### Fixed
+
+- Return value of the `App::callback` method to be `callable` (thanks @estevao90).
+
 ## [3.3.2] 2023-04-07;
 
 ### Fixed
diff --git a/src/App.php b/src/App.php
index ae61c3f..3408831 100644
--- a/src/App.php
+++ b/src/App.php
@@ -448,7 +448,7 @@ public static function give($implementation)
      * @param string        $method           The method that should be called on the resolved implementation with the
      *                                        specified array arguments.
      *
-     * @return mixed The called method return value.
+     * @return callable The callback function.
      *
      * @throws ContainerException If the id is not a bound implementation or valid class name.
      */