diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57f0ed4..2b21440 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,7 +15,8 @@
 
 ## Change
  - Updated tsc reminder for 30 minutes before 17h30 UTC.
- 
+ - Use chatops pack over slack pack to send messages.
+
 ## Delete
 
 ## 0.4.0
diff --git a/actions/workflows/retrieve_data_and_send_daily_stats_to_slack.yaml b/actions/workflows/retrieve_data_and_send_daily_stats_to_slack.yaml
index 00a61f6..fc304aa 100644
--- a/actions/workflows/retrieve_data_and_send_daily_stats_to_slack.yaml
+++ b/actions/workflows/retrieve_data_and_send_daily_stats_to_slack.yaml
@@ -18,6 +18,7 @@ tasks:
           - assemble_message
         publish:
           - forum_posts: <% result().result %>
+  
   get_github_issues:
     action: st2community.get_github_issues
     with:
@@ -32,6 +33,7 @@ tasks:
           - assemble_message
         publish:
           - github_data: <% task(get_github_issues).result.items.select($.result.result) %>
+  
   assemble_message:
     join: all
     action: st2community.assemble_message
@@ -44,10 +46,13 @@ tasks:
           - send_message_to_slack
         publish:
           - message: "<% result().result %>"
+  
   send_message_to_slack:
-    action: slack.chat.postMessage
+    action: chatops.post_message
     input:
-      username: st2
-      icon_emoji: ":st2:"
+      route: errbot
       channel: <% ctx(channel) %>
-      text: <% ctx(message) %>
+      message: "<% ctx(message) %>"
+      extra:
+        slack:
+          mrkdwn: true
diff --git a/rules/post_tsc_reminder_to_slack.yaml b/rules/post_tsc_reminder_to_slack.yaml
index ee59f1d..f2a8225 100644
--- a/rules/post_tsc_reminder_to_slack.yaml
+++ b/rules/post_tsc_reminder_to_slack.yaml
@@ -14,9 +14,8 @@ trigger:
     second: 0
 
 action:
-  ref: "slack.chat.postMessage"
+  ref: "chatops.post_message"
   parameters:
-    username: st2
-    icon_emoji: ":st2:"
     channel: "#tsc"
-    text: "@here Reminder, the TSC meeting starts in 30 minutes!"
+    route: errbot
+    message: ":st2: @here Reminder, the TSC meeting starts in 30 minutes!"