diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 802c3fe9..90b5f15d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,7 +53,7 @@ jobs:
           - macOS-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/downgrade.yml b/.github/workflows/downgrade.yml
index e2fa43de..4484e8d0 100644
--- a/.github/workflows/downgrade.yml
+++ b/.github/workflows/downgrade.yml
@@ -39,7 +39,7 @@ jobs:
       matrix:
         version: ['1.9']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/downstream.yml b/.github/workflows/downstream.yml
index 4106d21a..72cc2697 100644
--- a/.github/workflows/downstream.yml
+++ b/.github/workflows/downstream.yml
@@ -45,14 +45,14 @@ jobs:
           - {repo: ApproxFunSingularities.jl, group: JuliaApproximation}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
           arch: x64
       - uses: julia-actions/julia-buildpkg@latest
       - name: Clone Downstream
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: ${{ matrix.package.group }}/${{ matrix.package.repo }}
           path: downstream