diff --git a/denon.ts b/denon.ts
index 6554231..d916de2 100644
--- a/denon.ts
+++ b/denon.ts
@@ -11,6 +11,7 @@ import {
   printHelp,
   initializeConfig,
   grantPermissions,
+  upgrade,
 } from "./src/cli.ts";
 import { readConfig, DenonConfig } from "./src/config.ts";
 import { parseArgs } from "./src/args.ts";
@@ -113,18 +114,7 @@ if (import.meta.main) {
 
   // update denon to latest release
   if (args.upgrade) {
-    log.info(
-      "Running \`deno install -Af --unstable https://deno.land/x/denon/denon.ts\`",
-    );
-    Deno.run({
-      cmd: [
-        "deno",
-        "install",
-        "-Af",
-        "--unstable",
-        "https://deno.land/x/denon/denon.ts",
-      ],
-    });
+    await upgrade();
     Deno.exit(0);
   }
 
diff --git a/src/cli.ts b/src/cli.ts
index 71b9c95..03a4dc7 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -73,6 +73,25 @@ export async function initializeConfig() {
   }
 }
 
+/**
+ * Grab a fresh copy of denon
+ */
+export async function upgrade() {
+  log.info(
+    "Running \`deno install -Af --unstable https://deno.land/x/denon/denon.ts\`",
+  );
+  await Deno.run({
+    cmd: [
+      "deno",
+      "install",
+      "-Af",
+      "--unstable",
+      "https://deno.land/x/denon/denon.ts",
+    ],
+  }).status();
+  Deno.exit(0);
+}
+
 /**
  * List all available scripts declared in the config file.
  * // TODO: make it interactive