diff --git a/.changeset/bold-spoons-act.md b/.changeset/bold-spoons-act.md
new file mode 100644
index 00000000000..a845151cc84
--- /dev/null
+++ b/.changeset/bold-spoons-act.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/integration/presets/astro.ts b/integration/presets/astro.ts
index e9e310bf5fc..5b6b941485e 100644
--- a/integration/presets/astro.ts
+++ b/integration/presets/astro.ts
@@ -11,8 +11,12 @@ const astroNode = applicationConfig()
   .addScript('build', 'pnpm build')
   .addScript('serve', 'pnpm preview')
   .addDependency('@clerk/astro', linkPackage('astro'))
+  .addDependency('@clerk/backend', linkPackage('backend'))
   .addDependency('@clerk/shared', linkPackage('shared'))
-  .addDependency('@clerk/localizations', linkPackage('localizations'));
+  .addDependency('@clerk/localizations', linkPackage('localizations'))
+  // Resolutions ensure the tarball's transitive dependencies use our local packages
+  .addResolution('@clerk/backend', linkPackage('backend'))
+  .addResolution('@clerk/shared', linkPackage('shared'));
 
 const astroStatic = astroNode.clone().setName('astro-hybrid').useTemplate(templates['astro-hybrid']);
 
diff --git a/integration/presets/utils.ts b/integration/presets/utils.ts
index 21672d16b5b..b776eb91bfe 100644
--- a/integration/presets/utils.ts
+++ b/integration/presets/utils.ts
@@ -1,6 +1,40 @@
+import { execSync } from 'node:child_process';
+import fs from 'node:fs';
+import os from 'node:os';
 import path from 'node:path';
 
-export function linkPackage(pkg: string, tag?: string) {
+const tarballCache = new Map<string, string>();
+
+const PACKAGES_REQUIRING_TARBALL = ['astro'];
+
+/**
+ * Creates a tarball of a package and returns the file: protocol path to it.
+ * This is needed for packages containing .astro files because Astro's Vite
+ * plugin cannot properly resolve paths in symlinked packages.
+ */
+function createPackageTarball(pkg: string): string {
+  if (tarballCache.has(pkg)) {
+    return tarballCache.get(pkg);
+  }
+
+  const pkgPath = path.resolve(process.cwd(), `packages/${pkg}`);
+  const tmpDir = path.join(os.tmpdir(), '.clerk-integration-tarballs');
+
+  fs.mkdirSync(tmpDir, { recursive: true });
+
+  const result = execSync('pnpm pack --pack-destination ' + tmpDir, {
+    cwd: pkgPath,
+    encoding: 'utf-8',
+  });
+
+  const tgzPath = result.trim().split('\n').pop();
+  const tarballPath = `file:${tgzPath}`;
+
+  tarballCache.set(pkg, tarballPath);
+  return tarballPath;
+}
+
+export function linkPackage(pkg: string) {
   // eslint-disable-next-line turbo/no-undeclared-env-vars
   if (process.env.CI === 'true') {
     // In CI, use '*' to get the latest version from Verdaccio
@@ -8,5 +42,10 @@ export function linkPackage(pkg: string, tag?: string) {
     return '*';
   }
 
+  // See: https://github.com/withastro/astro/issues/8312
+  if (PACKAGES_REQUIRING_TARBALL.includes(pkg)) {
+    return createPackageTarball(pkg);
+  }
+
   return `link:${path.resolve(process.cwd(), `packages/${pkg}`)}`;
 }