diff --git a/packages/cli/scripts/prepare-package.mjs b/packages/cli/scripts/prepare-package.mjs
index d19eec0..a7fddea 100644
--- a/packages/cli/scripts/prepare-package.mjs
+++ b/packages/cli/scripts/prepare-package.mjs
@@ -119,6 +119,7 @@ async function main() {
   runPnpm(['--filter', '@parallax/common', 'build'])
   runPnpm(['--filter', '@parallax/orchestrator', 'build'])
   runPnpm(['--filter', '@parallax/ui', 'build'])
+  runPnpm(['--filter', '@parallax/slack', 'build'])
   runPnpm(['--filter', 'parallax-cli', 'build'])
 
   const cliPackageJson = JSON.parse(await fs.readFile(cliPackageJsonPath, 'utf8'))