diff --git a/sv/formatter.go b/sv/formatter.go
index 74860db..8e83d76 100644
--- a/sv/formatter.go
+++ b/sv/formatter.go
@@ -40,7 +40,7 @@ const (
 {{- end}}
 {{- end}}`
 
-	rnTemplate = `## v{{.Version}} ({{.Date}})
+	rnTemplate = `## v{{.Version}}{{if .Date}} ({{.Date}}){{end}}
 {{- template "rnSection" .Sections.feat}}
 {{- template "rnSection" .Sections.fix}}
 {{- template "rnSectionBreakingChanges" .BreakingChanges}}
@@ -89,9 +89,13 @@ func (p OutputFormatterImpl) FormatChangelog(releasenotes []ReleaseNote) string
 }
 
 func releaseNoteVariables(releasenote ReleaseNote) releaseNoteTemplateVariables {
+	var date = ""
+	if !releasenote.Date.IsZero() {
+		date = releasenote.Date.Format("2006-01-02")
+	}
 	return releaseNoteTemplateVariables{
 		Version:         fmt.Sprintf("%d.%d.%d", releasenote.Version.Major(), releasenote.Version.Minor(), releasenote.Version.Patch()),
-		Date:            releasenote.Date.Format("2006-01-02"),
+		Date:            date,
 		Sections:        releasenote.Sections,
 		BreakingChanges: releasenote.BreakingChanges,
 	}
diff --git a/sv/formatter_test.go b/sv/formatter_test.go
new file mode 100644
index 0000000..d60c7f9
--- /dev/null
+++ b/sv/formatter_test.go
@@ -0,0 +1,40 @@
+package sv
+
+import (
+	"testing"
+	"time"
+
+	"github.com/Masterminds/semver"
+)
+
+var dateChangelog = `## v1.0.0 (2020-05-01)
+`
+var emptyDateChangelog = `## v1.0.0
+`
+
+func TestOutputFormatterImpl_FormatReleaseNote(t *testing.T) {
+	date, _ := time.Parse("2006-01-02", "2020-05-01")
+
+	tests := []struct {
+		name  string
+		input ReleaseNote
+		want  string
+	}{
+		{"", emptyReleaseNote("1.0.0", date.Truncate(time.Minute)), dateChangelog},
+		{"", emptyReleaseNote("1.0.0", time.Time{}.Truncate(time.Minute)), emptyDateChangelog},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := NewOutputFormatter().FormatReleaseNote(tt.input); got != tt.want {
+				t.Errorf("OutputFormatterImpl.FormatReleaseNote() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func emptyReleaseNote(version string, date time.Time) ReleaseNote {
+	return ReleaseNote{
+		Version: *semver.MustParse(version),
+		Date:    date,
+	}
+}
diff --git a/sv/git.go b/sv/git.go
index b126b31..fd5193a 100644
--- a/sv/git.go
+++ b/sv/git.go
@@ -121,10 +121,7 @@ func parseTagsOutput(input string) ([]GitTag, error) {
 	for scanner.Scan() {
 		if line := strings.TrimSpace(scanner.Text()); line != "" {
 			values := strings.Split(line, "#")
-			date, err := time.Parse("2006-01-02 15:04:05 -0700", values[0])
-			if err != nil {
-				return nil, fmt.Errorf("failed to parse tag data, message: %v", err)
-			}
+			date, _ := time.Parse("2006-01-02 15:04:05 -0700", values[0]) // ignore invalid dates
 			result = append(result, GitTag{Name: values[1], Date: date})
 		}
 	}
diff --git a/sv/git_test.go b/sv/git_test.go
new file mode 100644
index 0000000..7b96394
--- /dev/null
+++ b/sv/git_test.go
@@ -0,0 +1,39 @@
+package sv
+
+import (
+	"reflect"
+	"testing"
+	"time"
+)
+
+func Test_parseTagsOutput(t *testing.T) {
+	tests := []struct {
+		name    string
+		input   string
+		want    []GitTag
+		wantErr bool
+	}{
+		{"with date", "2020-05-01 18:00:00 -0300#1.0.0", []GitTag{GitTag{Name: "1.0.0", Date: date("2020-05-01 18:00:00 -0300")}}, false},
+		{"without date", "#1.0.0", []GitTag{GitTag{Name: "1.0.0", Date: time.Time{}}}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := parseTagsOutput(tt.input)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("parseTagsOutput() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("parseTagsOutput() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func date(input string) time.Time {
+	t, err := time.Parse("2006-01-02 15:04:05 -0700", input)
+	if err != nil {
+		panic(err)
+	}
+	return t
+}