Update README.md

mattes · web-flow · commit f576a64f111e · 2017-02-18T10:41:17.000-08:00
diff --git a/README.md b/README.md
@@ -28,6 +28,7 @@ Database drivers run migrations. [Add a new database?](database/driver.go)
   * [MongoDB](database/mongodb) ([todo #169](https://github.com/mattes/migrate/issues/169))
   * [CrateDB](database/crate) ([todo #170](https://github.com/mattes/migrate/issues/170))
   * [Shell](database/shell) ([todo #171](https://github.com/mattes/migrate/issues/171))
+  * [Google Cloud Spanner](database/spanner) ([todo #172](https://github.com/mattes/migrate/issues/172))
 
 
 
