diff --git a/pkgs/development/libraries/libuv/default.nix b/pkgs/development/libraries/libuv/default.nix
index 4dc601745a42..1e01497c7629 100644
--- a/pkgs/development/libraries/libuv/default.nix
+++ b/pkgs/development/libraries/libuv/default.nix
@@ -2,14 +2,14 @@
 , ApplicationServices, CoreServices }:
 
 stdenv.mkDerivation rec {
-  version = "1.20.3";
+  version = "1.21.0";
   name = "libuv-${version}";
 
   src = fetchFromGitHub {
     owner = "libuv";
     repo = "libuv";
     rev = "v${version}";
-    sha256 = "1a8a679wni560z7x6w5i431vh2g0f34cznflcn52klx1vwcggrg7";
+    sha256 = "1jjg34ppnlrnb634q9mla7whl7rm9xmjgnzckrznqcycwzir074b";
   };
 
   postPatch = let