diff --git a/pkgs/development/web/deno/default.nix b/pkgs/development/web/deno/default.nix
index 83a49cceda5b..5a218f908e4a 100644
--- a/pkgs/development/web/deno/default.nix
+++ b/pkgs/development/web/deno/default.nix
@@ -17,15 +17,15 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "deno";
-  version = "1.14.1";
+  version = "1.14.2";
 
   src = fetchFromGitHub {
     owner = "denoland";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-WTBurNXI+t8S0f2ER6zw+6SlkzKYLDGFQcEVbXSQAtc=";
+    sha256 = "sha256-7FcGwmJKKOmpuCJgHl65+EnwOWQAbmq6X1lZMhTlDaE=";
   };
-  cargoSha256 = "sha256-/ohAzcfsoarPicinsZf5fi2cQwYD1oW5TOdWP8RbXos=";
+  cargoSha256 = "sha256-mPxPieatGuROIwLGuQHBrZ8VTGd8c/6bKA+tt3Iv3OI=";
 
   # Install completions post-install
   nativeBuildInputs = [ installShellFiles ];
diff --git a/pkgs/development/web/deno/librusty_v8.nix b/pkgs/development/web/deno/librusty_v8.nix
index ed2bca5d9bad..d7b16d6a59b9 100644
--- a/pkgs/development/web/deno/librusty_v8.nix
+++ b/pkgs/development/web/deno/librusty_v8.nix
@@ -11,11 +11,11 @@ let
   };
 in
 fetch_librusty_v8 {
-  version = "0.28.0";
+  version = "0.30.0";
   shas = {
-    x86_64-linux = "sha256-Kz2sAAUux1BcrU2vukGybSs+REAIRUWMxqZakRPEeic=";
-    aarch64-linux = "sha256-QXj9y6NrvxU6oL9QO2dYH4Fz+MbTzON7w8sTCei7Mqs=";
-    x86_64-darwin = "sha256-zW1g3DZ4Mh4j3UYE312dDkbX6ngg50GaKCHYPa6H0Dk=";
-    aarch64-darwin = "sha256-hLIRxApjTbkfDVPhK3EC7X/p6uQK5kOEILZfAmFV5AA=";
+    x86_64-linux = "sha256-p5Vbt2fQPFR9SfLJ03f62/a8o9QIJOTXbA1s2liwNXY=";
+    aarch64-linux = "sha256-j12KjdnL19d5U/QRfB/7ahUzcYnUddItp29bLM/mWzs=";
+    x86_64-darwin = "sha256-w3k9oj+mP+i/hSf+ZjYLF+zsAcyLezbxhWXYoaPpn+U=";
+    aarch64-darwin = "sha256-bOtZoG8vXnSBNTPJDkyW0xbMEbmGNtq+mEPKoP78Yew=";
   };
 }