diff --git a/pkgs/development/tools/yarn-berry/default.nix b/pkgs/development/tools/yarn-berry/default.nix
index 47ddf77634bf..5c00fbbc457b 100644
--- a/pkgs/development/tools/yarn-berry/default.nix
+++ b/pkgs/development/tools/yarn-berry/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "yarn-berry";
-  version = "4.1.1";
+  version = "4.2.1";
 
   src = fetchFromGitHub {
     owner = "yarnpkg";
     repo = "berry";
     rev = "@yarnpkg/cli/${finalAttrs.version}";
-    hash = "sha256-75bERA1uZeywMjYznFDyk4+AtVDLo7eIajVtWdAD/RA=";
+    hash = "sha256-id/Z7oqwoIIWaOU5mQ7vuPRQw6WQAKcDAopYB2tEl0s=";
   };
 
   buildInputs = [