diff --git a/release.js b/release.js
index 765e8ba..3d8d9a2 100644
--- a/release.js
+++ b/release.js
@@ -137,18 +137,22 @@ function createGitLabRelease(tag, releaseLinks) {
                 console.log(`[CI Sync] Release ${tag} already exists. Appending our OS-specific files to it...`);
                 let promiseChain = Promise.resolve();
 
+                const linksPath = `/api/v4/projects/${PROJECT_ID}/releases/${encodeURIComponent(tag)}/assets/links`;
+                const hasInstaller = releaseLinks.some((l) => l.link_type === 'package');
                 for (const link of releaseLinks) {
-                    promiseChain = promiseChain.then(() => {
-                        return sendRequest('POST', `/api/v4/projects/${PROJECT_ID}/releases/${encodeURIComponent(tag)}/assets/links`, {
+                    promiseChain = promiseChain.then(async () => {
+                        const current = await sendRequest('GET', linksPath);
+                        const clash = (Array.isArray(current) ? current : []).find((l) => l.name === link.name);
+                        if (clash && link.name === 'manifest.json' && hasInstaller) {
+                            await sendRequest('DELETE', `${linksPath}/${clash.id}`);
+                        } else if (clash) {
+                            console.log(`[CI Sync] Asset link '${link.name}' is already attached. Skipping.`);
+                            return;
+                        }
+                        await sendRequest('POST', linksPath, {
                             name: link.name,
                             url: link.url,
                             link_type: link.link_type
-                        }).catch(e => {
-                            if (e.message.includes('already been taken') || e.message.includes('HTTP 409') || e.message.includes('HTTP 400')) {
-                                console.log(`[CI Sync] Asset link '${link.name}' is already attached. Skipping.`);
-                                return Promise.resolve();
-                            }
-                            throw e;
                         });
                     });
                 }