diff --git a/binary/build.js b/binary/build.js
index 839bbb281..a87139611 100644
--- a/binary/build.js
+++ b/binary/build.js
@@ -101,21 +101,22 @@ async function buildWithEsbuild() {
     ),
   );
 
-  const copyLanceDBPromises = [];
+  // Install LanceDB packages sequentially to avoid race conditions
+  // when multiple packages copy to the same node_modules/@lancedb directory
   for (const target of targets) {
     if (!TARGET_TO_LANCEDB[target]) {
       continue;
     }
-    console.log(`[info] Downloading for ${target}...`);
-    copyLanceDBPromises.push(
-      installAndCopyNodeModules(TARGET_TO_LANCEDB[target], "@lancedb"),
-    );
+    console.log(`[info] Downloading LanceDB for ${target}...`);
+    try {
+      await installAndCopyNodeModules(TARGET_TO_LANCEDB[target], "@lancedb");
+      console.log(`[info] Copied LanceDB for ${target}`);
+    } catch (err) {
+      console.error(`[error] Failed to copy LanceDB for ${target}:`, err);
+      process.exit(1);
+    }
   }
-  await Promise.all(copyLanceDBPromises).catch(() => {
-    console.error("[error] Failed to copy LanceDB");
-    process.exit(1);
-  });
-  console.log("[info] Copied all LanceDB");
+  console.log("[info] All LanceDB packages installed");
 
   // tree-sitter-wasm
   const treeSitterWasmsDir = path.join(out, "tree-sitter-wasms");
diff --git a/extensions/vscode/scripts/install-copy-nodemodule.js b/extensions/vscode/scripts/install-copy-nodemodule.js
index 9f32e91d8..c5a51f073 100644
--- a/extensions/vscode/scripts/install-copy-nodemodule.js
+++ b/extensions/vscode/scripts/install-copy-nodemodule.js
@@ -44,6 +44,19 @@ async function installNodeModuleInTempDirAndCopyToCurrent(packageName, toCopy) {
     // Without this it seems the file isn't completely written to disk
     await new Promise((resolve) => setTimeout(resolve, 2000));
 
+    // Remove existing destination directory to ensure fresh copy
+    // ncp's clobber option doesn't reliably overwrite cached files
+    const packageSubdir = packageName.replace("@lancedb/", "");
+    const destDir = path.join(
+      currentDir,
+      "node_modules",
+      toCopy,
+      packageSubdir,
+    );
+    if (fs.existsSync(destDir)) {
+      rimrafSync(destDir);
+    }
+
     // Copy the installed package back to the current directory
     await new Promise((resolve, reject) => {
       ncp(