diff --git a/pkgs/tools/package-management/nix-doc/default.nix b/pkgs/tools/package-management/nix-doc/default.nix
index af83d04e8110..e12bed7d925c 100644
--- a/pkgs/tools/package-management/nix-doc/default.nix
+++ b/pkgs/tools/package-management/nix-doc/default.nix
@@ -2,13 +2,13 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "nix-doc";
-  version = "0.5.0";
+  version = "0.5.1";
 
   src = fetchFromGitHub {
     rev = "v${version}";
     owner = "lf-";
     repo = "nix-doc";
-    sha256 = "1s0nlbn5fcgqfns8gpx3i87k5qivd8ar59rklvd7fbn6ckrmzi6m";
+    sha256 = "0yx5y90shdjwihbjrvv2m3bycgpdalafc9q4acfczfaymag8ggad";
   };
 
   doCheck = true;
@@ -16,13 +16,13 @@ rustPlatform.buildRustPackage rec {
 
   nativeBuildInputs = [ pkg-config ];
 
-  cargoSha256 = "0xmw3fyic0fcg7a6z8dr3lv367bxqdhdrlrl2hhlz59xg5kq8b3f";
+  cargoSha256 = "11bcn111j4iqwqwpp26w7rnycasbhiixaqb1rq4ry2402hvl90j7";
 
   meta = with lib; {
     description = "An interactive Nix documentation tool";
     longDescription = "An interactive Nix documentation tool providing a CLI for function search, a Nix plugin for docs in the REPL, and a ctags implementation for Nix script";
     homepage = "https://github.com/lf-/nix-doc";
-    license = licenses.lgpl3;
+    license = licenses.lgpl3Plus;
     maintainers = [ maintainers.lf- ];
     platforms = platforms.unix;
   };