diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index afcef93e..583082d9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,9 +30,9 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - uses: hidakatsuya/setup-diff-pdf@v1
+    - uses: hidakatsuya/action-setup-diff-pdf@v1
       with:
-        diff-pdf-version: 0.5
+        diff-pdf-version: '0.5'
 
     - name: Set up Ruby ${{ matrix.ruby_version }}
       uses: ruby/setup-ruby@v1