diff --git a/pkgs/tools/misc/mcfly/default.nix b/pkgs/tools/misc/mcfly/default.nix
index a6d635a6f7e..0d55da7fdfa 100644
--- a/pkgs/tools/misc/mcfly/default.nix
+++ b/pkgs/tools/misc/mcfly/default.nix
@@ -2,30 +2,21 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "mcfly";
-  version = "0.5.8";
+  version = "0.5.9";
 
   src = fetchFromGitHub {
     owner = "cantino";
     repo = "mcfly";
     rev = "v${version}";
-    sha256 = "sha256-D8ScF/3qyT0VuMGmWkkeGRyCu4LdOXt1wvR9whbNURE=";
+    sha256 = "0i3qjgq1b8h3bzc7rxa60kq1yc2im9m6dgzrvial086a1zk8s81r";
   };
 
-  postInstall = ''
-    substituteInPlace mcfly.bash --replace '$(which mcfly)' $out/bin/mcfly
-    substituteInPlace mcfly.zsh  --replace '$(which mcfly)' $out/bin/mcfly
-    substituteInPlace mcfly.fish --replace '(which mcfly)' $out/bin/mcfly
-    install -Dm644 -t $out/share/mcfly mcfly.bash
-    install -Dm644 -t $out/share/mcfly mcfly.zsh
-    install -Dm644 -t $out/share/mcfly mcfly.fish
-  '';
-
-  cargoSha256 = "sha256-VZgxfVmAa5lPfdLNbsotNoRpTLe3HID36sF8T/0mywI=";
+  cargoSha256 = "084v4fsdi25ahz068ssq29z7d5d3k3jh3s8b07irwybdsy18c629";
 
   meta = with lib; {
     homepage = "https://github.com/cantino/mcfly";
     description = "An upgraded ctrl-r for Bash whose history results make sense for what you're working on right now";
-    changelog = "https://github.com/cantino/mcfly/blob/v${version}/CHANGELOG.txt";
+    changelog = "https://github.com/cantino/mcfly/raw/v${version}/CHANGELOG.txt";
     license = licenses.mit;
     maintainers = [ maintainers.melkor333 ];
   };