diff --git a/env/dev_config.tfvars b/env/dev_config.tfvars
index 5787e3d21..ff8db9f22 100644
--- a/env/dev_config.tfvars
+++ b/env/dev_config.tfvars
@@ -80,7 +80,7 @@ slack_channel_general_topic             = "notification-dev-ops"
 athena_workgroup_name                  = "dev"
 cloudwatch_opsgenie_alarm_webhook      = ""
 aws_config_recorder_name               = "aws-controltower-BaselineConfigRecorder"
-sentinel_layer_version                 = "165"
+sentinel_layer_version                 = "166"
 
 ## HEARTBEAT
 heartbeat_sms_number = "+16135550123"
diff --git a/env/production_config.tfvars b/env/production_config.tfvars
index 3560feb33..7f1ea65f5 100644
--- a/env/production_config.tfvars
+++ b/env/production_config.tfvars
@@ -79,7 +79,7 @@ slack_channel_general_topic             = "notification-ops"
 ## MONITORING
 athena_workgroup_name                  = "primary"
 aws_config_recorder_name               = "aws-controltower-BaselineConfigRecorder"
-sentinel_layer_version                 = "163"
+sentinel_layer_version                 = "166"
 
 ## HEARTBEAT
 heartbeat_sms_number = "+16135550123"
diff --git a/env/staging_config.tfvars b/env/staging_config.tfvars
index edf040181..31be38f9b 100644
--- a/env/staging_config.tfvars
+++ b/env/staging_config.tfvars
@@ -80,7 +80,7 @@ slack_channel_general_topic             = "notification-staging-ops"
 athena_workgroup_name                  = "primary"
 cloudwatch_opsgenie_alarm_webhook      = ""
 aws_config_recorder_name               = "aws-controltower-BaselineConfigRecorder"
-sentinel_layer_version                 = "163"
+sentinel_layer_version                 = "166"
 
 ## HEARTBEAT
 heartbeat_sms_number = "+16135550123"