diff --git a/spire/templates/apps-300A.yml b/spire/templates/apps-300A.yml
index 7630c290..46355e9d 100644
--- a/spire/templates/apps-300A.yml
+++ b/spire/templates/apps-300A.yml
@@ -190,7 +190,7 @@ Resources:
         SharedRedisReplicationGroupEndpointAddress: !Ref SharedRedisReplicationGroupEndpointAddress
         SharedRedisReplicationGroupEndpointPort: !Ref SharedRedisReplicationGroupEndpointPort
         SharedGlueDatabaseName: !Ref SharedGlueDatabaseName
-        FeedsS3BucketArn: !Sub /prx/${EnvironmentTypeAbbreviation}/Spire/Dovetail-Feeder/us-east-1/s3-bucket-arn
+        FeedsS3BucketArn: !Sub /prx/${EnvironmentTypeAbbreviation}/Spire/Dovetail-Feeder/${AWS::Region}/s3-bucket-arn
         AuguryHostname: !Ref AuguryHostname
         FeederHostname: !Ref FeederHostname
         DovetailCdnHostname: !Ref DovetailCdnHostname