diff --git a/packages/kilo-vscode/scripts/prepare-cli-binary.mjs b/packages/kilo-vscode/scripts/prepare-cli-binary.mjs
index 52af0e61860..2228c04f2c7 100644
--- a/packages/kilo-vscode/scripts/prepare-cli-binary.mjs
+++ b/packages/kilo-vscode/scripts/prepare-cli-binary.mjs
@@ -78,6 +78,14 @@ function ensureBuiltBinary() {
     )
   }
 
+  // Ensure dependencies are installed before building.
+  log("Installing dependencies in opencode package...")
+  execSync("bun install", {
+    cwd: opencodeDir,
+    stdio: "inherit",
+    env: process.env,
+  })
+
   // Build using the opencode package script.
   execSync("bun run build --single", {
     cwd: opencodeDir,