diff --git a/infra/cfn/forgejo-network.yaml b/infra/cfn/forgejo-network.yaml
index 5093a5c..01cc151 100644
--- a/infra/cfn/forgejo-network.yaml
+++ b/infra/cfn/forgejo-network.yaml
@@ -77,3 +77,11 @@ Resources:
           - "git.n-daisuke897.com"
         Field: "host-header"
       Transforms: []
+
+Outputs:
+
+  TargetGroupArn:
+    Description: ARN of the Forgejo target group
+    Value: !Ref ElasticLoadBalancingV2TargetGroupForgejo
+    Export:
+      Name: !Sub "${AWS::StackName}-TargetGroupArn"