diff --git a/.github/workflows/appcast.yml b/.github/workflows/appcast.yml
index c43bf3e..7ccf86e 100644
--- a/.github/workflows/appcast.yml
+++ b/.github/workflows/appcast.yml
@@ -23,7 +23,7 @@ jobs:
           ${{ runner.os }}-gems-
           
     - name: Setup Ruby, JRuby and TruffleRuby
-      uses: ruby/setup-ruby@v1.172.0
+      uses: ruby/setup-ruby@v1.173.0
       with:
         ruby-version: '3.0'