diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3cce85f..2b68b368 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ ENHANCEMENTS:
 
 BUG FIXES:
 * container: `google_container_cluster` will ignore out of band changes on `node_ipv4_cidr_block`. [GH-3319]
+* gke: `google_container_cluster` will allow >20 `cidr_blocks` in `master_authorized_networks_config`. [GH-3397]
 * netblock: `data.google_netblock_ip_ranges.cidr_blocks` will better handle ipv6 input. [GH-3390]
 * sql: `google_sql_database_instance` will retry reads during Terraform refreshes if it hits a rate limit. [GH-3366]