diff --git a/pkgs/development/web/deno/default.nix b/pkgs/development/web/deno/default.nix
index 5a218f908e4a..34bcd7992ea9 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 = "1.14.2";
+  version = "1.14.3";
 
   src = fetchFromGitHub {
     owner = "denoland";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-7FcGwmJKKOmpuCJgHl65+EnwOWQAbmq6X1lZMhTlDaE=";
+    sha256 = "sha256-Ersfn69vRGKzJ4LV7qLI2orLftHz7tuI8+/zUEPctAE=";
   };
-  cargoSha256 = "sha256-mPxPieatGuROIwLGuQHBrZ8VTGd8c/6bKA+tt3Iv3OI=";
+  cargoSha256 = "sha256-BnJH/jbNiPyRmNjvfE5bNQX58iuAFFaQ93bZsXooTfI=";
 
   # 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 d7b16d6a59b9..6fb597b81acd 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 = "0.30.0";
+  version = "0.31.0";
   shas = {
-    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=";
+    x86_64-linux = "sha256-KPoxq6rZnwghcDR5cMexN8EMeCfyuKoBcTZ3bv1mEpw=";
+    aarch64-linux = "sha256-S+lHGwbnCu2uNCIE+R5MljltOIqXpFAxvx0cglV8ZNI=";
+    x86_64-darwin = "sha256-o8O+X4SEXP7eY/dfHqe8NT7johtnPJQTBOgApFqOOhY=";
+    aarch64-darwin = "sha256-OQNQh6byNn9R0a6madgUMdUxbUv/R9psnwtTSr3BfzE=";
   };
 }