diff --git a/pkgs/development/tools/yarn/default.nix b/pkgs/development/tools/yarn/default.nix
index 47a11e1b7f4..be2b0689f92 100644
--- a/pkgs/development/tools/yarn/default.nix
+++ b/pkgs/development/tools/yarn/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "yarn-${version}";
-  version = "1.10.1";
+  version = "1.12.1";
 
   src = fetchzip {
     url = "https://github.com/yarnpkg/yarn/releases/download/v${version}/yarn-v${version}.tar.gz";
-    sha256 = "0j9y53k0wxgwjvvpbs6rr4nbydg3bn4khcxsrnzyrakym0ihgmr1";
+    sha256 = "084xci8y5na2765sh8flc8c5z7fik62filf1p58aqrb2000vna1j";
   };
 
   buildInputs = [ nodejs ];