diff --git a/pkgs/development/web/deno/default.nix b/pkgs/development/web/deno/default.nix
index ef291d6fee825..b7c9e3e6cac8a 100644
--- a/pkgs/development/web/deno/default.nix
+++ b/pkgs/development/web/deno/default.nix
@@ -13,16 +13,16 @@
 }:
 rustPlatform.buildRustPackage rec {
   pname = "deno";
-  version = "1.41.3";
+  version = "1.42.3";
 
   src = fetchFromGitHub {
     owner = "denoland";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-Urcy3kvwBz5Ey0LnoT6/N7V/QJg2SIBHVmWa12WOTKw=";
+    hash = "sha256-mjMpjbQbj0QyvRU4RRL++zvAxU2ZfMDhDauBC+zIH/g=";
   };
 
-  cargoHash = "sha256-NhJ3Uldncjx/KHAMVCd6U4Q0fbmc+u4E7JNZHcy/zQY=";
+  cargoHash = "sha256-xuR7XrcI1O8NB6YY0oGFHxv+eUmt3WX1dXBI9aOOw58=";
 
   postPatch = ''
     # upstream uses lld on aarch64-darwin for faster builds
diff --git a/pkgs/development/web/deno/librusty_v8.nix b/pkgs/development/web/deno/librusty_v8.nix
index 4ced5309ffdad..e0f797b4c67fa 100644
--- a/pkgs/development/web/deno/librusty_v8.nix
+++ b/pkgs/development/web/deno/librusty_v8.nix
@@ -4,17 +4,17 @@
 let
   fetch_librusty_v8 = args: fetchurl {
     name = "librusty_v8-${args.version}";
-    url = "https://github.com/denoland/rusty_v8/releases/download/v${args.version}/librusty_v8_release_${stdenv.hostPlatform.rust.rustcTarget}.a";
+    url = "https://github.com/denoland/rusty_v8/releases/download/v${args.version}/librusty_v8_release_${stdenv.hostPlatform.rust.rustcTarget}.a.gz";
     sha256 = args.shas.${stdenv.hostPlatform.system};
     meta = { inherit (args) version; };
   };
 in
 fetch_librusty_v8 {
-  version = "0.85.0";
+  version = "0.89.0";
   shas = {
-    x86_64-linux = "sha256-Ma6JewYaHuPLihKnwwq8pAo+6sraXMghnl+wMvRfP1Y=";
-    aarch64-linux = "sha256-Y55ZXuyB2kq2a/cJwIo7DxClg2juAsGYpyTmwYE2W3Q=";
-    x86_64-darwin = "sha256-njP3obzJxr8I4G3jhDNbiVL8Cxa9D4KPGXW7VFrAZQY=";
-    aarch64-darwin = "sha256-/8UFpUgdSKihxd4qsBoxYFrjEKUG3cDSkwJ5NSdmSQs=";
+    x86_64-linux = "sha256-XxX3x3LBiJK768gvzIsV7aKm6Yn5dLS3LINdDOUjDGU=";
+    aarch64-linux = "sha256-ZetNxahe/XDp6OoGFkZS7VfOPQPbEGUkPNAaSJ0Y90M=";
+    x86_64-darwin = "sha256-A047aVL2KSNWofPK2eH395iGPcdM+FjSxu5GkW9wJnI=";
+    aarch64-darwin = "sha256-XN2JFL8Rs9hyTquVx6brjW15H54mhVIHqzkdEy9smqM=";
   };
 }
diff --git a/pkgs/development/web/deno/update/librusty_v8.ts b/pkgs/development/web/deno/update/librusty_v8.ts
index 39831f6ea2797..14d698a063e78 100644
--- a/pkgs/development/web/deno/update/librusty_v8.ts
+++ b/pkgs/development/web/deno/update/librusty_v8.ts
@@ -29,7 +29,7 @@ const fetchArchShaTasks = (version: string, arches: Architecture[]) =>
         `
 { fetchurl }:
 fetchurl {
-  url = "https://github.com/denoland/rusty_v8/releases/download/v${version}/librusty_v8_release_${arch.rust}.a";
+  url = "https://github.com/denoland/rusty_v8/releases/download/v${version}/librusty_v8_release_${arch.rust}.a.gz";
 }
 `,
       ]);
@@ -45,7 +45,7 @@ const templateDeps = (version: string, deps: PrefetchResult[]) =>
 let
   fetch_librusty_v8 = args: fetchurl {
     name = "librusty_v8-\${args.version}";
-    url = "https://github.com/denoland/rusty_v8/releases/download/v\${args.version}/librusty_v8_release_\${stdenv.hostPlatform.rust.rustcTarget}.a";
+    url = "https://github.com/denoland/rusty_v8/releases/download/v\${args.version}/librusty_v8_release_\${stdenv.hostPlatform.rust.rustcTarget}.a.gz";
     sha256 = args.shas.\${stdenv.hostPlatform.system};
     meta = { inherit (args) version; };
   };