diff --git a/.github/workflows/DocCleanup.yml b/.github/workflows/DocCleanup.yml
index 9f8119fc65..534fbbb504 100644
--- a/.github/workflows/DocCleanup.yml
+++ b/.github/workflows/DocCleanup.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: gh-pages
 
diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index fa709606b8..b76785ebb0 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -15,7 +15,7 @@ jobs:
   docbuild:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@latest
         with:
           version: '1.11'
diff --git a/.github/workflows/JuliaFormatter.yml b/.github/workflows/JuliaFormatter.yml
index 4cef17cff3..bde9d47ddc 100644
--- a/.github/workflows/JuliaFormatter.yml
+++ b/.github/workflows/JuliaFormatter.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: dorny/paths-filter@v3.0.2
       id: filter
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f58d5c6a2..5b4aef7ade 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
           - macOS-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/downgrade.yml b/.github/workflows/downgrade.yml
index 1a9335368c..416c1da76e 100644
--- a/.github/workflows/downgrade.yml
+++ b/.github/workflows/downgrade.yml
@@ -22,7 +22,7 @@ jobs:
       matrix:
         version: ['1.10', '1.11']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.version }}