diff --git a/pkgs/by-name/sp/spacetimedb/fetchers.nix b/pkgs/by-name/sp/spacetimedb/fetchers.nix
new file mode 100644
index 000000000000..b98b4aa6fa12
--- /dev/null
+++ b/pkgs/by-name/sp/spacetimedb/fetchers.nix
@@ -0,0 +1,21 @@
+# not a stable interface, do not reference outside the deno package but make a
+# copy if you need
+{
+  lib,
+  stdenv,
+  fetchurl,
+}:
+
+{
+  fetchLibrustyV8 =
+    args:
+    fetchurl {
+      name = "librusty_v8-${args.version}";
+      url = "https://github.com/denoland/rusty_v8/releases/download/v${args.version}/librusty_v8_release_${stdenv.hostPlatform.rust.rustcTarget}.a.gz";
+      sha256 = args.shas.${stdenv.hostPlatform.system};
+      meta = {
+        inherit (args) version;
+        sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
+      };
+    };
+}
diff --git a/pkgs/by-name/sp/spacetimedb/librusty_v8.nix b/pkgs/by-name/sp/spacetimedb/librusty_v8.nix
new file mode 100644
index 000000000000..d44e299628a3
--- /dev/null
+++ b/pkgs/by-name/sp/spacetimedb/librusty_v8.nix
@@ -0,0 +1,12 @@
+# auto-generated file -- DO NOT EDIT!
+{ fetchLibrustyV8 }:
+
+fetchLibrustyV8 {
+  version = "137.2.1";
+  shas = {
+    x86_64-linux = "sha256-1mV+UjvJsIyLFpBGVDrGxr/rqUgKzRRFwgnMyYTb/pM=";
+    aarch64-linux = "sha256-Rp7chA+GjsozCkMQrDnOoi4VhVJdrFZd1BuLfcRhGjw=";
+    x86_64-darwin = "sha256-tDMk+F6D/h4osYlzT2qAhqfHYUSDk3nL4RxEKjhBhD0=";
+    aarch64-darwin = "sha256-1eBUjKFalb/CIPfHYP8SvqIaxRep8vU6u9QFShOMUsQ=";
+  };
+}
diff --git a/pkgs/by-name/sp/spacetimedb/package.nix b/pkgs/by-name/sp/spacetimedb/package.nix
index 00e7bffea4bf..b7101fe064e6 100644
--- a/pkgs/by-name/sp/spacetimedb/package.nix
+++ b/pkgs/by-name/sp/spacetimedb/package.nix
@@ -1,24 +1,28 @@
 {
   lib,
+  callPackage,
   fetchFromGitHub,
   rustPlatform,
   pkg-config,
   perl,
   git,
   versionCheckHook,
+  librusty_v8 ? callPackage ./librusty_v8.nix {
+    inherit (callPackage ./fetchers.nix { }) fetchLibrustyV8;
+  },
 }:
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "spacetimedb";
-  version = "1.2.0";
+  version = "1.3.0";
 
   src = fetchFromGitHub {
     owner = "clockworklabs";
     repo = "spacetimedb";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-6Fqv3g9e/9i5JMYHwbymm0n2mBEI0207TAyu/nF39Xk=";
+    hash = "sha256-KslKsTVhc4xz1XMkkk40tqVZnLoL9UuSPvFHvdZ5vrI=";
   };
 
-  cargoHash = "sha256-N7A7GAdk9j84qtKHTMtloU469FRwiYtqUdSytFVidlA=";
+  cargoHash = "sha256-DpGKSWCXSp7fvA1OdZ4YZnanvmKlnxBGsyhEThNwkGo=";
 
   nativeBuildInputs = [
     pkg-config
@@ -34,6 +38,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
   ];
 
   doInstallCheck = true;
+
+  env.RUSTY_V8_ARCHIVE = librusty_v8;
+
   nativeInstallCheckInputs = [ versionCheckHook ];
   versionCheckProgram = "${placeholder "out"}/bin/spacetime";
   versionCheckProgramArg = "--version";