diff --git a/spire/templates/shared-ecs/asg.yml b/spire/templates/shared-ecs/asg.yml
index 92c74e381..e22a9ca72 100644
--- a/spire/templates/shared-ecs/asg.yml
+++ b/spire/templates/shared-ecs/asg.yml
@@ -460,7 +460,7 @@ Resources:
         InstanceType: !If
           - IsProduction
           - m6a.large
-          - t3a.medium
+          - t3.large
         KeyName: !Ref AsgInstanceKeyPair
         Monitoring:
           Enabled: false # Specifies whether detailed monitoring is enabled