diff --git a/pkgs/development/compilers/rust/rustc.nix b/pkgs/development/compilers/rust/rustc.nix
index 0a4a351b1cfd..ee4ee37dfc98 100644
--- a/pkgs/development/compilers/rust/rustc.nix
+++ b/pkgs/development/compilers/rust/rustc.nix
@@ -93,7 +93,7 @@ in stdenv.mkDerivation (finalAttrs: {
     # attempts to download the missing source tarball
     "--set=build.rustfmt=${rustfmt}/bin/rustfmt"
   ] ++ [
-    "--tools=rustc,rust-analyzer-proc-macro-srv"
+    "--tools=rustc,rustdoc,rust-analyzer-proc-macro-srv"
     "--enable-rpath"
     "--enable-vendor"
     "--build=${stdenv.buildPlatform.rust.rustcTargetSpec}"