diff --git a/modules/mysql/read_replica.tf b/modules/mysql/read_replica.tf
index 6d81ee37..771d015e 100644
--- a/modules/mysql/read_replica.tf
+++ b/modules/mysql/read_replica.tf
@@ -83,6 +83,7 @@ resource "google_sql_database_instance" "replicas" {
     ignore_changes = [
       settings[0].disk_size,
       settings[0].maintenance_window,
+      encryption_key_name,
     ]
   }
 
diff --git a/modules/postgresql/read_replica.tf b/modules/postgresql/read_replica.tf
index 3a3aa487..08b11588 100644
--- a/modules/postgresql/read_replica.tf
+++ b/modules/postgresql/read_replica.tf
@@ -94,6 +94,7 @@ resource "google_sql_database_instance" "replicas" {
     ignore_changes = [
       settings[0].disk_size,
       settings[0].maintenance_window,
+      encryption_key_name,
     ]
   }