diff --git a/example/lib/main.dart b/example/lib/main.dart
index 8198001..3074da8 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -74,6 +74,7 @@ class _MyHomePageState extends State<MyHomePage> {
                 onPressed: () => _doSomething(_btnController2),
                 valueColor: Colors.black,
                 borderRadius: 10,
+                borderSide : BorderSide(color: Colors.red)
                 child: Text('''
 Tap me i have a huge text''', style: TextStyle(color: Colors.white)),
               ),
diff --git a/lib/rounded_loading_button.dart b/lib/rounded_loading_button.dart
index fcb56ab..133a5d8 100644
--- a/lib/rounded_loading_button.dart
+++ b/lib/rounded_loading_button.dart
@@ -52,6 +52,9 @@ class RoundedLoadingButton extends StatefulWidget {
   /// The radius of the button border
   final double borderRadius;
 
+  /// The side of the button border
+  final BorderSide borderSide;
+
   /// The duration of the button animation
   final Duration duration;
 
@@ -100,6 +103,7 @@ class RoundedLoadingButton extends StatefulWidget {
     this.animateOnTap = true,
     this.valueColor = Colors.white,
     this.borderRadius = 35,
+    this.borderSide = BorderSide.none,
     this.elevation = 2,
     this.duration = const Duration(milliseconds: 500),
     this.curve = Curves.easeInOutCirc,
@@ -128,7 +132,6 @@ class RoundedLoadingButtonState extends State<RoundedLoadingButton>
   late Animation _squeezeAnimation;
   late Animation _bounceAnimation;
   late Animation _borderAnimation;
-
   final _state = BehaviorSubject<ButtonState>.seeded(ButtonState.idle);
 
   @override
@@ -196,6 +199,7 @@ class RoundedLoadingButtonState extends State<RoundedLoadingButton>
         style: ElevatedButton.styleFrom(
           surfaceTintColor: widget.disabledColor,
           minimumSize: Size(_squeezeAnimation.value, widget.height),
+          side: widget.borderSide,
           shape: RoundedRectangleBorder(
             borderRadius: BorderRadius.circular(widget.borderRadius),
           ),