diff --git a/pkgs/development/tools/rust/bindgen/default.nix b/pkgs/development/tools/rust/bindgen/default.nix
index 0463ab3ba0a..836003eeb73 100644
--- a/pkgs/development/tools/rust/bindgen/default.nix
+++ b/pkgs/development/tools/rust/bindgen/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   name = "rust-bindgen-${version}";
-  version = "0.40.0";
+  version = "0.42.2";
 
   src = fetchFromGitHub {
     owner = "rust-lang-nursery";
     repo = "rust-bindgen";
     rev = "v${version}";
-    sha256 = "0d7jqgi3aadwqcxiaz7axsq9h6n2i42yd3q0p1hc5l0kcdwwbj5k";
+    sha256 = "10h0h7x8yf4dsyw2p2nas2jg5p3i29np0y3rfzrdq898d70gvq4j";
   };
 
-  cargoSha256 = "1rjyazhnk9xihqw1qzkkcrab627lqbj789g5d5nb8bn2hkbdx5d6";
+  cargoSha256 = "01jvi86xgz0r7ia9agnfpms6b6x68lzwj6f085m0w659i94acgpi";
 
   libclang = llvmPackages.libclang.lib; #for substituteAll