diff --git a/Casks/c/chainner.rb b/Casks/c/chainner.rb
index 4b21b02127..e303746075 100644
--- a/Casks/c/chainner.rb
+++ b/Casks/c/chainner.rb
@@ -1,6 +1,6 @@
 cask "chainner" do
-  version "0.21.0"
-  sha256 "6afd42cc326e672275154789e892ef2494ea216e875496d7e31d70e09cd3b779"
+  version "0.21.1"
+  sha256 "a869acc88550595e6e7672b9ae9858ac021bb9624e149801f65f1f97915b158e"
 
   url "https://github.com/chaiNNer-org/chaiNNer/releases/download/v#{version}/chaiNNer-#{version}-universal-macos.dmg",
       verified: "github.com/chaiNNer-org/chaiNNer/"