diff --git a/testutil/testutil.go b/testutil/testutil.go
index 6bf9f878..5dd2fbe1 100644
--- a/testutil/testutil.go
+++ b/testutil/testutil.go
@@ -35,7 +35,7 @@ func MustConnectDatabaseSQL(t testing.TB, driverName string) *sql.DB {
 }
 
 func MustConnectPgx(t testing.TB) *pgx.Conn {
-	config, err := pgx.ParseURI(os.Getenv("PGX_TEST_DATABASE"))
+	config, err := pgx.ParseConnectionString(os.Getenv("PGX_TEST_DATABASE"))
 	if err != nil {
 		t.Fatal(err)
 	}