diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 83a4ee2..ec78f73 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -76,7 +76,7 @@ jobs:
         continue-on-error: true
 
       - name: Slack Notification (not success)
-        uses: homoluctus/slatify@v2.0.0
+        uses: homoluctus/slatify@master
         if: "! success()"
         with:
           job_name: ${{ format('*build* ({0})', matrix.ruby) }}
@@ -93,7 +93,7 @@ jobs:
 
     steps:
       - name: Slack Notification (success)
-        uses: homoluctus/slatify@v2.0.0
+        uses: homoluctus/slatify@master
         if: always()
         with:
           job_name: '*build*'