diff --git a/pkgs/applications/version-management/yadm/default.nix b/pkgs/applications/version-management/yadm/default.nix
index b75af94af565..fc8bee5fcb78 100644
--- a/pkgs/applications/version-management/yadm/default.nix
+++ b/pkgs/applications/version-management/yadm/default.nix
@@ -1,17 +1,18 @@
-{ lib, stdenv, fetchFromGitHub, git, gnupg }:
+{ lib, stdenv, fetchFromGitHub, git, gnupg, installShellFiles }:
 
-let version = "2.5.0"; in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "yadm";
-  inherit version;
+  version = "3.1.0";
 
   buildInputs = [ git gnupg ];
 
+  nativeBuildInputs = [ installShellFiles ];
+
   src = fetchFromGitHub {
     owner  = "TheLocehiliosan";
     repo   = "yadm";
     rev    = version;
-    sha256 = "128qlx8mp7h5ifapqqgsj3fwghn3q6x6ya0y33h5r7gnassd3njr";
+    sha256 = "0ga0p28nvqilswa07bzi93adk7wx6d5pgxlacr9wl9v1h6cds92s";
   };
 
   dontConfigure = true;
@@ -20,12 +21,16 @@ stdenv.mkDerivation {
   installPhase = ''
     runHook preInstall
     install -Dt $out/bin yadm
-    install -Dt $out/share/man/man1 yadm.1
-    install -D completion/yadm.zsh_completion $out/share/zsh/site-functions/_yadm
-    install -D completion/yadm.bash_completion $out/share/bash-completion/completions/yadm.bash
     runHook postInstall
   '';
 
+  postInstall = ''
+    installManPage yadm.1
+    installShellCompletion --cmd yadm \
+      --zsh completion/zsh/_yadm \
+      --bash completion/bash/yadm
+  '';
+
   meta = {
     homepage = "https://github.com/TheLocehiliosan/yadm";
     description = "Yet Another Dotfiles Manager";
@@ -35,7 +40,7 @@ stdenv.mkDerivation {
       * Provides a way to use alternate files on a specific OS or host.
       * Supplies a method of encrypting confidential data so it can safely be stored in your repository.
     '';
-    license = lib.licenses.gpl3;
+    license = lib.licenses.gpl3Plus;
     maintainers = with lib.maintainers; [ abathur ];
     platforms = lib.platforms.unix;
   };