diff --git a/Differentiator.podspec b/Differentiator.podspec
index 50dcbce9..32849a82 100644
--- a/Differentiator.podspec
+++ b/Differentiator.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "Differentiator"
-  s.version          = "4.0.0"
+  s.version          = "4.0.1"
   s.summary          = "Diff algorithm for UITableView and UICollectionView."
   s.description      = <<-DESC
   Diff algorithm for UITableView and UICollectionView.
diff --git a/RxDataSources.podspec b/RxDataSources.podspec
index 058bb7c1..2115ffc8 100644
--- a/RxDataSources.podspec
+++ b/RxDataSources.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "RxDataSources"
-  s.version          = "4.0.0"
+  s.version          = "4.0.1"
   s.summary          = "This is a collection of reactive data sources for UITableView and UICollectionView."
   s.description      = <<-DESC
 This is a collection of reactive data sources for UITableView and UICollectionView.