diff --git a/.github/workflows/Breakage.yml b/.github/workflows/Breakage.yml
index a96586d..a073239 100644
--- a/.github/workflows/Breakage.yml
+++ b/.github/workflows/Breakage.yml
@@ -20,7 +20,7 @@ jobs:
         pkgversion: [latest, stable]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       # Install Julia
       - uses: julia-actions/setup-julia@v2
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 7bd5df5..8edb961 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -31,7 +31,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
@@ -59,7 +59,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
diff --git a/.github/workflows/Semgrep.yml b/.github/workflows/Semgrep.yml
index 66d2b19..ea359a1 100644
--- a/.github/workflows/Semgrep.yml
+++ b/.github/workflows/Semgrep.yml
@@ -24,11 +24,11 @@ jobs:
     steps:
         # Checkout the repository.
       - name: Clone source code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
         # Checkout custom rules
       - name: Checkout custom rules
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: JuliaComputing/semgrep-rules-julia
           ref: main