diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 3edcdd0aea..97ef7a5b0e 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Setup Ruby
-        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+        uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
         with:
           ruby-version: '3.2'
           bundler-cache: true
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index dc0b785f49..cefd1f8e9f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -21,7 +21,7 @@ jobs:
     - if: ${{ matrix.os == 'ubuntu-latest' }}
       run: sudo apt install libyaml-dev
     - name: Set up Ruby
-      uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+      uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
       with:
         ruby-version: 3.3
         bundler-cache: true
diff --git a/.github/workflows/pr-preview-check.yml b/.github/workflows/pr-preview-check.yml
index 6e11535cdb..5dbba40a47 100644
--- a/.github/workflows/pr-preview-check.yml
+++ b/.github/workflows/pr-preview-check.yml
@@ -31,7 +31,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+        uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
         with:
           ruby-version: '3.4'
           bundler-cache: true
diff --git a/.github/workflows/push_gem.yml b/.github/workflows/push_gem.yml
index bd67250442..507775a453 100644
--- a/.github/workflows/push_gem.yml
+++ b/.github/workflows/push_gem.yml
@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+        uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
         with:
           bundler-cache: true
           ruby-version: ruby
diff --git a/.github/workflows/ri-backward-compat.yml b/.github/workflows/ri-backward-compat.yml
index 0a16cf0395..58b9201bc9 100644
--- a/.github/workflows/ri-backward-compat.yml
+++ b/.github/workflows/ri-backward-compat.yml
@@ -23,7 +23,7 @@ jobs:
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Ruby
-        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+        uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
         with:
           # Must use Ruby 3.x — on Ruby 4.0, Heading is always a Class while old
           # RDoc versions serialized it as a Struct, so the test would always fail
diff --git a/.github/workflows/ruby-core.yml b/.github/workflows/ruby-core.yml
index 642e4b3eb8..b38c1e4a30 100644
--- a/.github/workflows/ruby-core.yml
+++ b/.github/workflows/ruby-core.yml
@@ -22,7 +22,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Set up latest ruby head
-        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+        uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
         with:
           ruby-version: head
           bundler: none
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b1d897d053..0486a57ae0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -39,7 +39,7 @@ jobs:
     steps:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
     - name: Set up Ruby
-      uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+      uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true # 'bundle install' and cache
@@ -67,7 +67,7 @@ jobs:
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Ruby
-        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+        uses: ruby/setup-ruby@e81a8fa391b11a595c1b7ed84177cc0fe02faf83 # v1.328.0
         with:
           ruby-version: ${{ fromJson(needs.ruby-versions.outputs.latest) }}
           bundler-cache: true