diff --git a/CHANGELOG.md b/CHANGELOG.md
index 776c447f..5f93290a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+## 1.12.1 (Unreleased)
 ## 1.12.0 (May 04, 2018)
 FEATURES:
 * spanner: New resources to manage IAM for Spanner Databases: google_spanner_database_iam_binding, google_spanner_database_iam_member, and google_spanner_database_iam_policy ([#1386](https://github.com/terraform-providers/terraform-provider-google/issues/1386))