diff --git a/pkgs/by-name/ru/rust-parallel/package.nix b/pkgs/by-name/ru/rust-parallel/package.nix
index 453200807e4a..5725bed69571 100644
--- a/pkgs/by-name/ru/rust-parallel/package.nix
+++ b/pkgs/by-name/ru/rust-parallel/package.nix
@@ -9,16 +9,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "rust-parallel";
-  version = "1.20.0";
+  version = "1.21.0";
 
   src = fetchFromGitHub {
     owner = "aaronriekenberg";
     repo = "rust-parallel";
     rev = "v${version}";
-    hash = "sha256-osuuEYOktSMmpKURXvn0rWUeBgFV07aTeM8oxkiCe10=";
+    hash = "sha256-86CUFtq6XpTYL7zpDBBfbSXlPYhWofwMjJSK698lclI=";
   };
 
-  cargoHash = "sha256-20Lr7nRhr7Vrkk31iCioxmYpXYOfQFAmPkyHe1Nfijc=";
+  cargoHash = "sha256-g2R3dEvDv3uzZVXBFvsCoX/M0XuHhoE/mMHni6qEN1g=";
 
   postPatch = ''
     substituteInPlace tests/dummy_shell.sh \