diff --git a/providers/aws/aws_regions_by_service.json b/providers/aws/aws_regions_by_service.json
index a8e8306b..21219973 100644
--- a/providers/aws/aws_regions_by_service.json
+++ b/providers/aws/aws_regions_by_service.json
@@ -5170,6 +5170,7 @@
     "timestream": {
       "regions": {
         "aws": [
+          "ap-northeast-1",
           "ap-southeast-2",
           "eu-central-1",
           "eu-west-1",