diff --git a/pkgs/tools/package-management/nix-doc/default.nix b/pkgs/tools/package-management/nix-doc/default.nix
index 6749f1fbea2..4ea66207de5 100644
--- a/pkgs/tools/package-management/nix-doc/default.nix
+++ b/pkgs/tools/package-management/nix-doc/default.nix
@@ -2,21 +2,21 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "nix-doc";
-  version = "0.5.5";
+  version = "0.5.6";
 
   src = fetchFromGitHub {
     rev = "v${version}";
     owner = "lf-";
     repo = "nix-doc";
-    sha256 = "sha256-JGzrDSAJMH7BaqGfyfLe041T2f8QdwLlFi11yHo+4JI=";
+    sha256 = "sha256-n2qmu+yMV/ext3MN5lfkfo3ebRf4Uct/WgGP3Ck72WM=";
   };
 
   doCheck = true;
   buildInputs = [ boost nix ];
 
-  nativeBuildInputs = [ pkg-config ];
+  nativeBuildInputs = [ pkg-config nix ];
 
-  cargoSha256 = "sha256-o49xT26X1QdkSWDlz//ZgnLs592DkxktyFaY5S4vVTM=";
+  cargoSha256 = "sha256-JrfRmpRSmkL8D0UAT3nY/NWWcNapuVUcd9zNQYUPRo8=";
 
   meta = with lib; {
     description = "An interactive Nix documentation tool";