diff --git a/types/uuid_test.go b/types/uuid_test.go
new file mode 100644
index 00000000..70f9a621
--- /dev/null
+++ b/types/uuid_test.go
@@ -0,0 +1,29 @@
+package types
+
+import (
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestUUID_Value(t *testing.T) {
+	nonzero := uuid.New()
+
+	subtests := []struct {
+		name   string
+		input  uuid.UUID
+		output []byte
+	}{
+		{"zero", uuid.UUID{}, make([]byte, 16)},
+		{"nonzero", nonzero, nonzero[:]},
+	}
+
+	for _, st := range subtests {
+		t.Run(st.name, func(t *testing.T) {
+			actual, err := UUID{st.input}.Value()
+
+			require.NoError(t, err)
+			require.Equal(t, st.output, actual)
+		})
+	}
+}