diff --git a/lib/branches/get-tags.js b/lib/branches/get-tags.js
index 2b9f4dd282..adefcb317b 100644
--- a/lib/branches/get-tags.js
+++ b/lib/branches/get-tags.js
@@ -14,15 +14,10 @@ module.exports = async ({cwd, env, options: {tagFormat}}, branches) => {
   return pReduce(
     branches,
     async (branches, branch) => {
-      const branchTags = await Promise.all(
-        (await getTags(branch.name, {cwd, env}))
-          .map(tag => {
-            const [, version, channel] = tag.match(tagRegexp) || [];
-            return {gitTag: tag, version, channel};
-          })
-          .filter(({version}) => version && semver.valid(semver.clean(version)))
-          .map(async ({gitTag, ...rest}) => ({gitTag, ...rest}))
-      );
+      const branchTags = (await getTags(branch.name, {cwd, env})).reduce((tags, tag) => {
+        const [, version, channel] = tag.match(tagRegexp) || [];
+        return version && semver.valid(semver.clean(version)) ? [...tags, {gitTag: tag, version, channel}] : tags;
+      }, []);
 
       debug('found tags for branch %s: %o', branch.name, branchTags);
       return [...branches, {...branch, tags: branchTags}];