diff --git a/CHANGES.md b/CHANGES.md
index 44499cd..ab3c1a4 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## v1.8.0
+* Enabled to set health_check parameter at the add_slb_server action.
+
 ## v1.7.0
 * Added an action (update_slb_virtul_server) to update SLB virtual-server.
 
diff --git a/actions/add_slb_server.yaml b/actions/add_slb_server.yaml
index 0b28be7..7fd860b 100644
--- a/actions/add_slb_server.yaml
+++ b/actions/add_slb_server.yaml
@@ -39,3 +39,7 @@ parameters:
     specified_target:
         type: object
         description: "Specify the target dynamically, (key: 'target', 'api_version', 'userid', 'passwd')"
+    health_check:
+        type: string
+        description: name of health monitor for adding Server
+        default: ping
diff --git a/pack.yaml b/pack.yaml
index 10befa2..5edb998 100644
--- a/pack.yaml
+++ b/pack.yaml
@@ -7,7 +7,7 @@ keywords:
   - load balancer
   - ADC
   - network
-version: 1.7.0
+version: 1.8.0
 author: Hiroyasu OHYAMA
 email: user.localhost2000@gmail.com
 python_versions: