diff --git a/pkgs/by-name/mt/mtail/package.nix b/pkgs/by-name/mt/mtail/package.nix
index 7e8eee04a0be..985979582720 100644
--- a/pkgs/by-name/mt/mtail/package.nix
+++ b/pkgs/by-name/mt/mtail/package.nix
@@ -8,13 +8,13 @@
 
 buildGoModule rec {
   pname = "mtail";
-  version = "3.2.20";
+  version = "3.2.21";
 
   src = fetchFromGitHub {
     owner = "jaqx0r";
     repo = "mtail";
     rev = "v${version}";
-    hash = "sha256-w895q6J0o4a4y3YwGWyu5tpv7ow9RNWEFQVIMDJo43Y=";
+    hash = "sha256-i5c9e7b7PmvFdNddngsCIx4GKYqPPwTZSUoNAIL8RZ4=";
   };
 
   vendorHash = "sha256-hVguLf/EkTz7Z8lTT9tCQ8iGO5asSkrsW+u8D1ND+dw=";