Подняла версию в подспеке до 0.5.0, поправила тег в source

RMRPullToRefresh.podspec

@@ -1,12 +1,12 @@
 Pod::Spec.new do |spec|
   spec.name         = "RMRPullToRefresh"
-  spec.version      = "0.4"
+  spec.version      = "0.5.0"
   spec.platform     = :ios, "8.0"
   spec.license      = { :type => "MIT", :file => "LICENSE" }
   spec.summary      = "A pull to refresh control for UIScrollView (UITableView and UICollectionView)"
   spec.homepage     = "http://redmadrobot.com/"
   spec.author       = "Ilya Merkulov"
-  spec.source       = { :git => "https://git.redmadrobot.com/helper-ios/RMRPullToRefresh.git", :tag => "v0.2" }
+  spec.source       = { :git => "https://git.redmadrobot.com/helper-ios/RMRPullToRefresh.git", :tag => spec.version }
   spec.source_files = "Classes/*.{swift}", "Classes/Default/*.{swift}"
   spec.resources = ['Images/*.png']
 end