diff --git a/pkgs/development/web/deno/default.nix b/pkgs/development/web/deno/default.nix
index e418bd1ed6e7..2e5097f360d9 100644
--- a/pkgs/development/web/deno/default.nix
+++ b/pkgs/development/web/deno/default.nix
@@ -18,16 +18,16 @@ let
 in
 rustPlatform.buildRustPackage rec {
   pname = "deno";
-  version = "1.2.2";
+  version = "1.2.3";
 
   src = fetchFromGitHub {
     owner = "denoland";
     repo = pname;
     rev = "v${version}";
-    sha256 = "03s22sx8yp5z69nqgyng5nbqy1qy8wdlrh5h9ghk1j249lig21fz";
+    sha256 = "0n64ph3piy7l3f3spcf2fnba8ivsbznjyw6piyv1zcxfjxb53wqg";
     fetchSubmodules = true;
   };
-  cargoSha256 = "1lg7rclhm0jz7hiyzq2ff73zkyg24ndys78q830w30zx4lh4y50d";
+  cargoSha256 = "10s4a20p1k2w2mdx63qbcb1lsqcrryp0vdc3zi6129pq1byybybc";
 
   # Install completions post-install
   nativeBuildInputs = [ installShellFiles ];
diff --git a/pkgs/development/web/deno/deps.nix b/pkgs/development/web/deno/deps.nix
index a64296c27fa1..2fd88235a8e1 100644
--- a/pkgs/development/web/deno/deps.nix
+++ b/pkgs/development/web/deno/deps.nix
@@ -2,11 +2,11 @@
 {}:
 rec {
   rustyV8Lib = {
-    version = "0.7.0";
+    version = "0.8.1";
     sha256s = {
-      x86_64-linux = "0ggbbppb65pdj92qbqw8sy8w84ir42fnhyk599pihyx1mqqih606";
-      aarch64-linux = "1n30xi4fac77cvd5qfr3mkgvipp9pq0mw24jbxbhlcl0n8mvpxjv";
-      x86_64-darwin = "1kdcapzj9my3ippqlkgdgp2dnj4klyl1wz1jwwps3b00l593nmfh";
+      x86_64-linux = "0nwssdbwscwkh2w9zhlvaj562z19g5icg2yi00fyw8glws69cd6p";
+      aarch64-linux = "0mwd4ix511dzxpah1p2c47a1qhvff0d3kyilc3yra99fa1s0gyxy";
+      x86_64-darwin = "04s4x0n85rxnncy4jsl1ak3rdgb4a3lhqg8h53mvvjmsazsj1q70";
     };
   };
 }