diff --git a/pkgs/development/web/deno/default.nix b/pkgs/development/web/deno/default.nix
index 8f7452fc6d66..12bd54852a0b 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 = "1.5.3";
+  version = "1.6.3";
 
   src = fetchFromGitHub {
     owner = "denoland";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0dxjcab10kqfkflq1x9np5wxlysq33swdwi2f28bi7q312sw5x2y";
+    sha256 = "1wmkx458fpsfw57ysawxc0ghxag8v051hiyswm7nnb7gckrm6j8z";
     fetchSubmodules = true;
   };
-  cargoSha256 = "0lhdrsvmf5b4fq2yg9vc00q1sgc1fjk0fh5axs2zffcpsp73ay2k";
+  cargoSha256 = "08vzsp53019gmxkn8lpa6l84w3fvbrnr11lzrfgf99nmii6l2hq5";
 
   # Install completions post-install
   nativeBuildInputs = [ installShellFiles ];
diff --git a/pkgs/development/web/deno/deps.nix b/pkgs/development/web/deno/deps.nix
index 09c7b3973d9a..4426c600df75 100644
--- a/pkgs/development/web/deno/deps.nix
+++ b/pkgs/development/web/deno/deps.nix
@@ -2,11 +2,11 @@
 {}:
 rec {
   rustyV8Lib = {
-    version = "0.12.0";
+    version = "0.15.0";
     sha256s = {
-      x86_64-linux = "18pim960fh18wrdkhirlj4hnnbxrk172r7yksdn2k5z9lgccighg";
-      aarch64-linux = "0d1c8kcz44n1mqprspnshzbqlqw7mq7vryxpmd49gw3fvhcy66y7";
-      x86_64-darwin = "1pc2dfq8p1a8dahkc4g8r6b9zwnvds60zc2lgbf8cj5n0ijd06y1";
+      x86_64-linux = "1j789pvqh44vsffzl5wg3pp3awrlixjrhbnjx2klsml7jv0lp0mq";
+      aarch64-linux = "13srja4vc275ygm806hcsr8mxjnd9qkzaqs58lxnp0702qs5xls6";
+      x86_64-darwin = "0aij9yb5i1r3pz0pyl51qdbgfspfdngwbk1qgkp4gxzl3cbnysx1";
     };
   };
 }