diff --git a/ucl/builtins/strs.go b/ucl/builtins/strs.go
index ff30cd4..4b813ca 100644
--- a/ucl/builtins/strs.go
+++ b/ucl/builtins/strs.go
@@ -10,10 +10,11 @@ func Strs() ucl.Module {
 	return ucl.Module{
 		Name: "strs",
 		Builtins: map[string]ucl.BuiltinHandler{
-			"to-upper": toUpper,
-			"to-lower": toLower,
-			"trim":     trim,
-			"join":     join,
+			"to-upper":   toUpper,
+			"to-lower":   toLower,
+			"trim":       trim,
+			"join":       join,
+			"has-suffix": hasSuffix,
 		},
 	}
 }
@@ -70,3 +71,15 @@ func join(ctx context.Context, args ucl.CallArgs) (any, error) {
 
 	return sb.String(), nil
 }
+
+func hasSuffix(ctx context.Context, args ucl.CallArgs) (any, error) {
+	var (
+		s      string
+		suffix string
+	)
+	if err := args.Bind(&s, &suffix); err != nil {
+		return nil, err
+	}
+
+	return strings.HasSuffix(s, suffix), nil
+}
diff --git a/ucl/builtins/strs_test.go b/ucl/builtins/strs_test.go
index de97d7d..9aef92d 100644
--- a/ucl/builtins/strs_test.go
+++ b/ucl/builtins/strs_test.go
@@ -101,6 +101,34 @@ func TestStrs_Trim(t *testing.T) {
 	}
 }
 
+func TestStrs_HasSuffix(t *testing.T) {
+	tests := []struct {
+		desc    string
+		eval    string
+		want    any
+		wantErr bool
+	}{
+		{desc: "suffix 1", eval: `strs:has-suffix "hello" "lo"`, want: true},
+		{desc: "suffix 2", eval: `strs:has-suffix "bellow" "low"`, want: true},
+		{desc: "suffix 3", eval: `strs:has-suffix "goodbye" "lo"`, want: false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.desc, func(t *testing.T) {
+			inst := ucl.New(
+				ucl.WithModule(builtins.Strs()),
+			)
+			res, err := inst.Eval(context.Background(), tt.eval)
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, tt.want, res)
+			}
+		})
+	}
+}
+
 func TestStrs_Join(t *testing.T) {
 	tests := []struct {
 		desc    string