diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index e696b42380..d4adddd32e 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -18,7 +18,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@latest
         with:
           version: 'lts'
diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
index 528c01c5bf..9140e63618 100644
--- a/.github/workflows/Downgrade.yml
+++ b/.github/workflows/Downgrade.yml
@@ -21,7 +21,7 @@ jobs:
         julia-version: ['1.10']
         group: ['InterfaceI']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
diff --git a/.github/workflows/Downstream.yml b/.github/workflows/Downstream.yml
index 208ba45c94..5bf992462a 100644
--- a/.github/workflows/Downstream.yml
+++ b/.github/workflows/Downstream.yml
@@ -44,14 +44,14 @@ jobs:
 
           - {user: Neuroblox, repo: Neuroblox.jl, group: All}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - 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@v5
         with:
           repository: ${{ matrix.package.user }}/${{ matrix.package.repo }}
           path: downstream
diff --git a/.github/workflows/ReleaseTest.yml b/.github/workflows/ReleaseTest.yml
index faf93c8c49..e57973b60b 100644
--- a/.github/workflows/ReleaseTest.yml
+++ b/.github/workflows/ReleaseTest.yml
@@ -28,7 +28,7 @@ jobs:
         package:
           - {package: Catalyst, group: All}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
diff --git a/.github/workflows/SpellCheck.yml b/.github/workflows/SpellCheck.yml
index 9246edd2af..52ef51af61 100644
--- a/.github/workflows/SpellCheck.yml
+++ b/.github/workflows/SpellCheck.yml
@@ -8,6 +8,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Actions Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Check spelling
         uses: crate-ci/typos@v1.18.0 
\ No newline at end of file