diff --git a/.github/workflows/deploy-doc.yml b/.github/workflows/deploy-doc.yml
index b2e93ea..bcf48fd 100644
--- a/.github/workflows/deploy-doc.yml
+++ b/.github/workflows/deploy-doc.yml
@@ -21,7 +21,7 @@ jobs:
       CXX: g++
       CXXFLAGS: -fdiagnostics-color -O2
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install system dependencies
         run: |
diff --git a/.github/workflows/doc-pr-cleanup.yml b/.github/workflows/doc-pr-cleanup.yml
index 922597d..6e01762 100644
--- a/.github/workflows/doc-pr-cleanup.yml
+++ b/.github/workflows/doc-pr-cleanup.yml
@@ -21,7 +21,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes
diff --git a/.github/workflows/docs-pr-build.yml b/.github/workflows/docs-pr-build.yml
index 127453a..f3d7f3a 100644
--- a/.github/workflows/docs-pr-build.yml
+++ b/.github/workflows/docs-pr-build.yml
@@ -22,7 +22,7 @@ jobs:
       CXX: g++
       CXXFLAGS: -fdiagnostics-color -O2
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install system dependencies
         run: |
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 6131a3f..9b8913d 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -9,7 +9,7 @@ jobs:
   check-formatting:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: "1"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 113684d..3a1552c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,7 +40,7 @@ jobs:
             }
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
         # Setup Julia
       - uses: julia-actions/setup-julia@v3