diff --git a/dist/wasm-tools/setup/index.js b/dist/wasm-tools/setup/index.js
index 35e609b..242bce4 100644
--- a/dist/wasm-tools/setup/index.js
+++ b/dist/wasm-tools/setup/index.js
@@ -16984,6 +16984,8 @@ function getArch() {
             return 'aarch64';
         case 'x64':
             return 'x86_64';
+        case 'riscv64':
+            return 'riscv64gc';
         default:
             throw new Error(`Unsupported operating system architecture: ${arch}`);
     }
diff --git a/dist/wasmtime/setup/index.js b/dist/wasmtime/setup/index.js
index 0cd1a7c..235e163 100644
--- a/dist/wasmtime/setup/index.js
+++ b/dist/wasmtime/setup/index.js
@@ -16984,6 +16984,8 @@ function getArch() {
             return 'aarch64';
         case 'x64':
             return 'x86_64';
+        case 'riscv64':
+            return 'riscv64gc';
         default:
             throw new Error(`Unsupported operating system architecture: ${arch}`);
     }
diff --git a/dist/wit-bindgen/setup/index.js b/dist/wit-bindgen/setup/index.js
index 031f7f9..c63d256 100644
--- a/dist/wit-bindgen/setup/index.js
+++ b/dist/wit-bindgen/setup/index.js
@@ -16984,6 +16984,8 @@ function getArch() {
             return 'aarch64';
         case 'x64':
             return 'x86_64';
+        case 'riscv64':
+            return 'riscv64gc';
         default:
             throw new Error(`Unsupported operating system architecture: ${arch}`);
     }
diff --git a/src/system.ts b/src/system.ts
index 7a10ed9..bada518 100644
--- a/src/system.ts
+++ b/src/system.ts
@@ -29,6 +29,8 @@ export function getArch(): string {
       return 'aarch64'
     case 'x64':
       return 'x86_64'
+    case 'riscv64':
+      return 'riscv64gc'
     default:
       throw new Error(`Unsupported operating system architecture: ${arch}`)
   }