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diff --git a/lib/tarballs/build.js b/lib/tarballs/build.js
index a7577a89c721bf4a52657f037fcc079e8fa9dca3..51c33346763dee8c60a3b59b8c46b6789c496239 100644
--- a/lib/tarballs/build.js
+++ b/lib/tarballs/build.js
@@ -195,8 +195,10 @@ const addDependencies = async (c) => {
     else {
         const lockpath = (0, node_fs_1.existsSync)(path.join(c.root, 'package-lock.json'))
             ? path.join(c.root, 'package-lock.json')
-            : path.join(c.root, 'npm-shrinkwrap.json');
-        await (0, fs_extra_1.copy)(lockpath, path.join(c.workspace(), path.basename(lockpath)));
+            : null;
+        if (lockpath) {
+            await (0, fs_extra_1.copy)(lockpath, path.join(c.workspace(), path.basename(lockpath)));
+        }
         await exec('npm install --production', { cwd: c.workspace() });
     }
 };
@@ -229,7 +231,7 @@ const buildTarget = async (target, c, options) => {
     const { bin, version } = c.config;
     const { gitSha: sha } = c;
     const templateShortKeyCommonOptions = { arch, bin, platform, sha, version };
-    const [gzLocalKey, xzLocalKey] = ['.tar.gz', '.tar.xz'].map((ext) => (0, upload_util_1.templateShortKey)('versioned', { ...templateShortKeyCommonOptions, ext }));
+    const [gzLocalKey, xzLocalKey] = ['.tar.gz', '.tar.xz'].map((ext) => (0, upload_util_1.templateShortKey)('unversioned', { ...templateShortKeyCommonOptions, ext }));
     const base = path.basename(gzLocalKey);
     (0, log_1.log)(`building target ${base}`);
     (0, log_1.log)('copying workspace', c.workspace(), workspace);