diff --git a/pkg/github/github.go b/pkg/github/github.go
index ff8bbc3..2e70e3e 100644
--- a/pkg/github/github.go
+++ b/pkg/github/github.go
@@ -24,6 +24,7 @@ import (
 
 	"github.com/Songmu/retry"
 	"github.com/pkg/errors"
+	"helm.sh/helm/v3/pkg/chart"
 
 	"github.com/blang/semver"
 	"github.com/google/go-github/v56/github"
@@ -151,9 +152,9 @@ func (c *Client) GetLatestChartRelease(_ context.Context, prefix string) (*Relea
 }
 
 // GenerateReleaseNotes generates the release notes for a release
-func (c *Client) GenerateReleaseNotes(_ context.Context, latestRelease *Release, nextRelease string) (string, error) {
+func (c *Client) GenerateReleaseNotes(_ context.Context, latestRelease *Release, chart *chart.Chart) (string, error) {
 	notes, _, err := c.Repositories.GenerateReleaseNotes(context.TODO(), c.owner, c.repo, &github.GenerateNotesOptions{
-		TagName:         nextRelease,
+		TagName:         chart.Metadata.Name + "-" + chart.Metadata.Version,
 		PreviousTagName: &latestRelease.Name,
 	})
 	if err != nil {
diff --git a/pkg/releaser/releaser.go b/pkg/releaser/releaser.go
index 6297c03..04c3a47 100644
--- a/pkg/releaser/releaser.go
+++ b/pkg/releaser/releaser.go
@@ -52,7 +52,7 @@ type GitHub interface {
 	GetRelease(ctx context.Context, tag string) (*github.Release, error)
 	CreatePullRequest(owner string, repo string, message string, head string, base string) (string, error)
 	GetLatestChartRelease(ctx context.Context, prefix string) (*github.Release, error)
-	GenerateReleaseNotes(ctx context.Context, latestRelease *github.Release, nextRelease string) (string, error)
+	GenerateReleaseNotes(ctx context.Context, latestRelease *github.Release, chart *chart.Chart) (string, error)
 }
 
 type Git interface {
@@ -260,7 +260,7 @@ func (r *Releaser) getReleaseNotes(chart *chart.Chart) (string, error) {
 		highest := versions[len(versions)-1]
 		// skip generating notes if there's already a higher version in GitHub
 		if nextVersion.String() == highest.String() {
-			notes, err := r.github.GenerateReleaseNotes(context.TODO(), latestRelease, chart.Metadata.Version)
+			notes, err := r.github.GenerateReleaseNotes(context.TODO(), latestRelease, chart)
 			if err != nil {
 				return "", errors.Wrapf(err, "failed to generate release notes for chart %s", chart.Metadata.Name)
 			}
diff --git a/pkg/releaser/releaser_test.go b/pkg/releaser/releaser_test.go
index 56b2cd7..b7682df 100644
--- a/pkg/releaser/releaser_test.go
+++ b/pkg/releaser/releaser_test.go
@@ -29,6 +29,7 @@ import (
 	"helm.sh/helm/v3/pkg/repo"
 
 	"github.com/helm/chart-releaser/pkg/config"
+	"helm.sh/helm/v3/pkg/chart"
 )
 
 type FakeGitHub struct {
@@ -133,8 +134,8 @@ func (f *FakeGitHub) GetLatestChartRelease(_ context.Context, prefix string) (*g
 }
 
 // GenerateReleaseNotes generates the release notes for a release
-func (f *FakeGitHub) GenerateReleaseNotes(_ context.Context, latestRelease *github.Release, nextRelease string) (string, error) {
-	f.Called(latestRelease, nextRelease)
+func (f *FakeGitHub) GenerateReleaseNotes(_ context.Context, latestRelease *github.Release, chart *chart.Chart) (string, error) {
+	f.Called(latestRelease, chart)
 
 	notes := "# Noted."