diff --git a/pkgs/development/web/deno/default.nix b/pkgs/development/web/deno/default.nix
index 455b215bb51..4291af81f40 100644
--- a/pkgs/development/web/deno/default.nix
+++ b/pkgs/development/web/deno/default.nix
@@ -16,15 +16,15 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "deno";
-  version = "1.21.2";
+  version = "1.21.3";
 
   src = fetchFromGitHub {
     owner = "denoland";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-oRlrommD84x4M+Z/F70TjFwWSlvTb26v36zxgaMBifw=";
+    sha256 = "sha256-0LjY5XBtR9uoxLOOFRebbSuH9chSdH1/9rtsY15NdCM=";
   };
-  cargoSha256 = "sha256-kVNT9B9B3Li9B8aRFkUx5WkGZH7eqSMQO0GRPTC5tgU=";
+  cargoSha256 = "sha256-8YldzUO9Jysu0w2NvGWDIr2eIWcrX9ALUodYwIykt64=";
 
   postPatch = ''
     # upstream uses lld on aarch64-darwin for faster builds