diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index edb7230..de1766e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
           # - macOS-latest # FastTransforms.jl is broken on 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/downstream.yml b/.github/workflows/downstream.yml
index 6c5f3c2..8b4894d 100644
--- a/.github/workflows/downstream.yml
+++ b/.github/workflows/downstream.yml
@@ -43,14 +43,14 @@ jobs:
           - {repo: ApproxFun.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