diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index 6972888..72c520c 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -25,7 +25,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/DocumentationCleanup.yml b/.github/workflows/DocumentationCleanup.yml
index 27a3279..a4073df 100644
--- a/.github/workflows/DocumentationCleanup.yml
+++ b/.github/workflows/DocumentationCleanup.yml
@@ -16,7 +16,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes
diff --git a/.github/workflows/FormatCheck.yml b/.github/workflows/FormatCheck.yml
index 3abfde0..a3b9c32 100644
--- a/.github/workflows/FormatCheck.yml
+++ b/.github/workflows/FormatCheck.yml
@@ -10,7 +10,7 @@ jobs:
     name: "Format Check"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: 1
diff --git a/.github/workflows/format_pr.yml b/.github/workflows/format_pr.yml
index 6c2a8ef..0cec386 100644
--- a/.github/workflows/format_pr.yml
+++ b/.github/workflows/format_pr.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install JuliaFormatter and format
         run: |
           julia  -e 'import Pkg; Pkg.add("JuliaFormatter")'
diff --git a/.github/workflows/format_suggestions.yml b/.github/workflows/format_suggestions.yml
index f8439d7..c7e6768 100644
--- a/.github/workflows/format_suggestions.yml
+++ b/.github/workflows/format_suggestions.yml
@@ -13,7 +13,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@latest
         with:
           version: 1