diff --git a/.github/workflows/rubyci-alerts.yml b/.github/workflows/rubyci-alerts.yml
index e7d825ac..a1c65175 100644
--- a/.github/workflows/rubyci-alerts.yml
+++ b/.github/workflows/rubyci-alerts.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
-      - uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+      - uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
         with:
           ruby-version: 2.7
 
diff --git a/.github/workflows/rubyci-screenshot.yml b/.github/workflows/rubyci-screenshot.yml
index 37e90166..7796e5f9 100644
--- a/.github/workflows/rubyci-screenshot.yml
+++ b/.github/workflows/rubyci-screenshot.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
-      - uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+      - uses: ruby/setup-ruby@4c24fa5ec04b2e79eb40571b1cee2a0d2b705771 # v1.278.0
         with:
           ruby-version: 2.7