diff --git a/Demo/FilestackDemo/ViewController.swift b/Demo/FilestackDemo/ViewController.swift
index f64aeabd..aadbe5dd 100644
--- a/Demo/FilestackDemo/ViewController.swift
+++ b/Demo/FilestackDemo/ViewController.swift
@@ -101,4 +101,9 @@ extension ViewController: PickerNavigationControllerDelegate {
     func pickerReportedUploadProgress(picker: PickerNavigationController, progress: Float) {
         print("Picker \(picker) reported upload progress: \(progress)")
     }
+
+    /// Called after the picker was dismissed.
+    func pickerWasDismissed(picker: PickerNavigationController) {
+        print("Picker \(picker) was dismissed.")
+    }
 }
diff --git a/Sources/Filestack/UI/Public/Controllers/PickerNavigationController.swift b/Sources/Filestack/UI/Public/Controllers/PickerNavigationController.swift
index 48d0b371..08014d88 100644
--- a/Sources/Filestack/UI/Public/Controllers/PickerNavigationController.swift
+++ b/Sources/Filestack/UI/Public/Controllers/PickerNavigationController.swift
@@ -25,6 +25,10 @@ import UIKit
 
     /// The picker delegate. Optional
     @objc public weak var pickerDelegate: PickerNavigationControllerDelegate?
+
+    deinit {
+        pickerDelegate?.pickerWasDismissed?(picker: self)
+    }
 }
 
 /// This protocol contains the function signatures any `PickerNavigationController` delegate should conform to.
@@ -40,6 +44,9 @@ import UIKit
 
     /// Called when the picker reports progress during a file or set of files being uploaded.
     @objc optional func pickerReportedUploadProgress(picker: PickerNavigationController, progress: Float)
+
+    /// Called after the picker was dismissed.
+    @objc optional func pickerWasDismissed(picker: PickerNavigationController)
 }
 
 extension PickerNavigationController: StylizerDelegate {