diff --git a/action.js b/action.js
index 7985e36..80896be 100644
--- a/action.js
+++ b/action.js
@@ -3,63 +3,66 @@ import { readFileSync, mkdirSync, writeFileSync, readdirSync } from "fs";
 
 const libName = process.env.PWD.split("/").slice(-1)[0];
 const version = readFileSync("version", { encoding: "utf8" });
+const tarName = `${libName}_${version}.tgz`;
 const repoBaseUrl = `${process.env.INPUT_REPO_URL}/${libName}/${version}`;
 const packageJsonUrls = [];
 
-const sendFile = async (urlPath, data) => {
-  let r = await fetch(`${repoBaseUrl}/${urlPath}`, {
-    method: "PUT",
-    headers: {
-      Authorization: `Basic ${Buffer.from(`${process.env.INPUT_REPO_USER}:${process.env.INPUT_REPO_PASS}`).toString("base64")}`,
-    },
-    body: data,
+// Get system utils
+execSync("apt update", { encoding: "utf8" });
+execSync("apt install -y pipx", { encoding: "utf8" });
+execSync("pipx install mpy-cross", { encoding: "utf8" });
+
+// create base lib dir
+mkdirSync(libName);
+
+// Add base lib file to repo
+writeFileSync(`${libName}/__init__.mpy`, new ArrayBuffer(0));
+
+// Update urls
+packageJsonUrls.push([`${libName}/__init__.mpy`, `__init__.mpy`]);
+
+// Generate module folders/files
+for (let modPy of readdirSync(".").filter((f) => f.slice(-2) == "py")) {
+  const modName = modPy.slice(0, -3);
+  const modInitPath = `${modName}/__init__.mpy`;
+  const modMpyPath = `${modName}/${modName}.mpy`;
+
+  // compile mpy file
+  execSync(`pipx run mpy-cross ${modPy} -o ${libName}/${modMpyPath}`, {
+    encoding: "utf8",
   });
 
-  if (r.status > 399) {
-    throw `${r.status}: FAILED TO UPLOAD TO ${repoBaseUrl}/${urlPath}`;
-  }
-};
-
-const doIt = async () => {
-  // Get system utils
-  execSync("apt update", { encoding: "utf8" });
-  execSync("apt install -y pipx", { encoding: "utf8" });
-  execSync("pipx install mpy-cross", { encoding: "utf8" });
-
-  // Add base lib file to repo
-  await sendFile(`__init__.mpy`, new ArrayBuffer(0));
+  // Add module files to repo
+  writeFileSync(`${libName}/${modInitPath}`, new ArrayBuffer(0));
 
   // Update urls
-  packageJsonUrls.push([`${libName}/__init__.mpy`, "__init__.mpy"]);
+  packageJsonUrls.push([`${libName}/${modInitPath}`, `${modInitPath}`]);
+  packageJsonUrls.push([`${libName}/${modMpyPath}`, `${modMpyPath}`]);
+}
 
-  // Generate module folders/files
-  for (let moduleFile of readdirSync(".").filter((f) => f.slice(-2) == "py")) {
-    const modName = moduleFile.slice(0, -3);
-    const modInitPath = `${modName}/__init__.mpy`;
-    const modPyPath = `${modName}.mpy`;
+// Add package.json to repo
+writeFileSync(
+  `${libName}/package.json`,
+  JSON.stringify({
+    urls: packageJsonUrls,
+    deps: [],
+    version: version,
+  }),
+);
 
-    // compile mpy file
-    execSync(`pipx run mpy-cross ${moduleFile}`, {
-      encoding: "utf8",
-    });
+// create tar file
+execSync(`tar czf ${tarName} ${libName}`, {
+  encoding: "utf8",
+});
 
-    // Add module files to repo
-    await sendFile(modPyPath, readFileSync(`${modName}.mpy`).buffer);
+let r = await fetch(`${repoBaseUrl}/${libName}.tgz`, {
+  method: "PUT",
+  headers: {
+    Authorization: `Basic ${Buffer.from(`${process.env.INPUT_REPO_USER}:${process.env.INPUT_REPO_PASS}`).toString("base64")}`,
+  },
+  body: readFileSync(`${libName}.tgz`).buffer,
+});
 
-    // Update urls
-    packageJsonUrls.push([`${libName}/${modInitPath}`, "__init__.mpy"]);
-    packageJsonUrls.push([`${libName}/${modName}/${modPyPath}`, modPyPath]);
-  }
-
-  // Add package.json to repo
-  await sendFile(
-    `package.json`,
-    JSON.stringify({
-      urls: packageJsonUrls,
-      deps: [],
-      version: version,
-    }),
-  );
-};
-
-doIt();
+if (r.status > 399) {
+  throw `${r.status}: FAILED TO UPLOAD TO ${repoBaseUrl}`;
+}