diff --git a/HCKalmanFilter Sample/Podfile b/HCKalmanFilter Sample/Podfile
index 6932acf..58d426f 100644
--- a/HCKalmanFilter Sample/Podfile	
+++ b/HCKalmanFilter Sample/Podfile	
@@ -8,6 +8,8 @@ target 'HCKalmanFilter Sample' do
     pod 'GooglePlacePicker'
     
     pod 'ActionSheetPicker-3.0', '~> 2.2.0'
+
+    pod 'Surge', '~> 2.0.0'
     
     source 'https://github.com/CocoaPods/Specs.git'
     use_frameworks!
diff --git a/HCKalmanFilter.podspec b/HCKalmanFilter.podspec
index f3550ef..cafc851 100644
--- a/HCKalmanFilter.podspec
+++ b/HCKalmanFilter.podspec
@@ -2,7 +2,7 @@ Pod::Spec.new do |s|
 
 s.platform = :ios
 s.name             = "HCKalmanFilter"
-s.version          = "1.2.0"
+s.version          = "1.2.1"
 s.summary          = "HCKalmanFilter is Swift implementation of Kalman filter algorithm intended to solve problem with GPS tracking"
 
 s.description      = <<-DESC