diff --git a/internal/vociferate/vociferate_test.go b/internal/vociferate/vociferate_test.go
index c1bd589..2ed1016 100644
--- a/internal/vociferate/vociferate_test.go
+++ b/internal/vociferate/vociferate_test.go
@@ -21,6 +21,8 @@ func TestPrepareSuite(t *testing.T) {
 
 func (s *PrepareSuite) SetupTest() {
 	s.rootDir = s.T().TempDir()
+	s.T().Setenv("GITHUB_SERVER_URL", "")
+	s.T().Setenv("GITHUB_REPOSITORY", "")
 	require.NoError(s.T(), os.MkdirAll(filepath.Join(s.rootDir, ".git"), 0o755))
 	require.NoError(s.T(), os.WriteFile(
 		filepath.Join(s.rootDir, ".git", "config"),
@@ -230,3 +232,35 @@ func (s *PrepareSuite) TestRecommendedTag_UsesCustomVersionFileAndPattern() {
 	require.NoError(s.T(), err)
 	require.Equal(s.T(), "v2.4.0", tag)
 }
+
+func (s *PrepareSuite) TestPrepare_UsesGitHrafnXYZEnvironmentForChangelogLinks() {
+	s.T().Setenv("GITHUB_SERVER_URL", "https://git.hrafn.xyz")
+	s.T().Setenv("GITHUB_REPOSITORY", "aether/vociferate")
+
+	err := vociferate.Prepare(s.rootDir, "1.1.7", "2026-03-20", vociferate.Options{})
+	require.NoError(s.T(), err)
+
+	changelogBytes, readErr := os.ReadFile(filepath.Join(s.rootDir, "changelog.md"))
+	require.NoError(s.T(), readErr)
+	changelog := string(changelogBytes)
+
+	require.Contains(s.T(), changelog, "## [Unreleased](https://git.hrafn.xyz/aether/vociferate/src/branch/main)")
+	require.Contains(s.T(), changelog, "## [1.1.7](https://git.hrafn.xyz/aether/vociferate/releases/tag/v1.1.7) - 2026-03-20")
+	require.Contains(s.T(), changelog, "## [1.1.6](https://git.hrafn.xyz/aether/vociferate/releases/tag/v1.1.6) - 2017-12-20")
+}
+
+func (s *PrepareSuite) TestPrepare_UsesGitHubEnvironmentForChangelogLinks() {
+	s.T().Setenv("GITHUB_SERVER_URL", "https://github.com")
+	s.T().Setenv("GITHUB_REPOSITORY", "aether/vociferate")
+
+	err := vociferate.Prepare(s.rootDir, "1.1.7", "2026-03-20", vociferate.Options{})
+	require.NoError(s.T(), err)
+
+	changelogBytes, readErr := os.ReadFile(filepath.Join(s.rootDir, "changelog.md"))
+	require.NoError(s.T(), readErr)
+	changelog := string(changelogBytes)
+
+	require.Contains(s.T(), changelog, "## [Unreleased](https://github.com/aether/vociferate/src/branch/main)")
+	require.Contains(s.T(), changelog, "## [1.1.7](https://github.com/aether/vociferate/releases/tag/v1.1.7) - 2026-03-20")
+	require.Contains(s.T(), changelog, "## [1.1.6](https://github.com/aether/vociferate/releases/tag/v1.1.6) - 2017-12-20")
+}