diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ec8d2291..1d23bd0b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: macos-15
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install SwiftLint
         run: brew install swiftlint
@@ -25,7 +25,7 @@ jobs:
     runs-on: macos-15
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install SwiftFormat
         run: brew install swiftformat
@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Cache Swift packages
         uses: actions/cache@v4
@@ -75,7 +75,7 @@ jobs:
     needs: [lint, format]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Cache Swift packages
         uses: actions/cache@v4
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index d97d5e7c..1838fb62 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: macos-15
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Build documentation
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7658de75..50ebcdaa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 13cfe6eb..459a183e 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -32,7 +32,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3