diff --git a/pkgs/by-name/du/duo-unix/package.nix b/pkgs/by-name/du/duo-unix/package.nix
index 4f3330d6d576..9cce892d6dd4 100644
--- a/pkgs/by-name/du/duo-unix/package.nix
+++ b/pkgs/by-name/du/duo-unix/package.nix
@@ -9,11 +9,11 @@
 
 stdenv.mkDerivation rec {
   pname = "duo-unix";
-  version = "2.2.0";
+  version = "2.2.1";
 
   src = fetchurl {
     url = "https://dl.duosecurity.com/duo_unix-${version}.tar.gz";
-    sha256 = "sha256-o5myAUg2tf+Yu7tB93EU/gZkGAHYtrEh6zyCiVJ2pmY=";
+    sha256 = "sha256-43a+BYWzw9ETpYjxlSXjV83uJG1prrjoYMv0/dv5AMo=";
   };
 
   buildInputs = [