diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 7c539694..30f0c90b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -45,7 +45,7 @@ jobs:
             arch: x64
             downgrade: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         id: setup-julia
         with:
@@ -70,7 +70,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
index 441fb480..7c7f845c 100644
--- a/.github/workflows/CompatHelper.yml
+++ b/.github/workflows/CompatHelper.yml
@@ -7,7 +7,7 @@ jobs:
   CompatHelper:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Pkg.add("CompatHelper")
         run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
       - name: CompatHelper.main()
diff --git a/.github/workflows/Invalidations.yml b/.github/workflows/Invalidations.yml
index 66c86a36..1ca08de5 100644
--- a/.github/workflows/Invalidations.yml
+++ b/.github/workflows/Invalidations.yml
@@ -19,12 +19,12 @@ jobs:
     - uses: julia-actions/setup-julia@v2
       with:
         version: '1'
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: julia-actions/julia-buildpkg@v1
     - uses: julia-actions/julia-invalidations@v1
       id: invs_pr
 
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         ref: ${{ github.event.repository.default_branch }}
     - uses: julia-actions/julia-buildpkg@v1
diff --git a/.github/workflows/format_check.yml b/.github/workflows/format_check.yml
index 9f8e761d..2a19d730 100644
--- a/.github/workflows/format_check.yml
+++ b/.github/workflows/format_check.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: julia-actions/setup-julia@latest
         with:
           version: 1
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install JuliaFormatter
         run: |
           using Pkg