diff --git a/pkgs/tools/misc/mcfly/default.nix b/pkgs/tools/misc/mcfly/default.nix
index 7feb2fce7107..1e5a68d9e7b1 100644
--- a/pkgs/tools/misc/mcfly/default.nix
+++ b/pkgs/tools/misc/mcfly/default.nix
@@ -2,13 +2,13 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "mcfly";
-  version = "0.4.0";
+  version = "0.4.1";
 
   src = fetchFromGitHub {
     owner = "cantino";
     repo = "mcfly";
     rev = "v${version}";
-    sha256 = "01rw7gdvpr2s3yj7wphsm5gfrgzf5jkrci4mpqiw7xp8d5k87nzl";
+    sha256 = "0fgnhm0b1sd6n12fa2cwlb5b8q4jjm9lqik4lx3l2hv5pkp3dcmb";
   };
 
   preInstall = ''
@@ -16,7 +16,7 @@ rustPlatform.buildRustPackage rec {
     install -Dm644 -t $out/share/mcfly mcfly.zsh
   '';
 
-  cargoSha256 = "1q1mi69prn9q1nk4021c69vq160ls6md6gpqxk7zyf25r5ckdd98";
+  cargoSha256 = "11vc4r3cx5amkrmh4hhc174bca02a87i7hfjb33adjvipphfm83f";
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/cantino/mcfly";