diff --git a/__tests__/github.test.ts b/__tests__/github.test.ts
index dd00fbb..98e5ee6 100644
--- a/__tests__/github.test.ts
+++ b/__tests__/github.test.ts
@@ -59,13 +59,13 @@ describe('getRelease', () => {
   it('resolves nightly to a vX.Y.Z-<sha>-nightly GoReleaser release', async () => {
     const release = await github.getRelease('goreleaser', 'nightly');
     expect(release).not.toBeNull();
-    expect(release?.tag_name).toMatch(github.nightlyTagRegex);
+    expect(github.isNightlyTag(release.tag_name)).toBe(true);
   });
 
   it('resolves nightly to a vX.Y.Z-<sha>-nightly GoReleaser Pro release', async () => {
     const release = await github.getRelease('goreleaser-pro', 'nightly');
     expect(release).not.toBeNull();
-    expect(release?.tag_name).toMatch(github.nightlyTagRegex);
+    expect(github.isNightlyTag(release.tag_name)).toBe(true);
   });
 
   it('returns v0.182.0 GoReleaser Pro GitHub release', async () => {