diff --git a/lib/SimpleNonlinearSolve/.github/workflows/CI.yml b/lib/SimpleNonlinearSolve/.github/workflows/CI.yml
index fc96a93a4..1a6859e3a 100644
--- a/lib/SimpleNonlinearSolve/.github/workflows/CI.yml
+++ b/lib/SimpleNonlinearSolve/.github/workflows/CI.yml
@@ -17,7 +17,7 @@ jobs:
           - '1'
           - '1.6'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
diff --git a/lib/SimpleNonlinearSolve/.github/workflows/Downstream.yml b/lib/SimpleNonlinearSolve/.github/workflows/Downstream.yml
index c6648dfb4..4b1032411 100644
--- a/lib/SimpleNonlinearSolve/.github/workflows/Downstream.yml
+++ b/lib/SimpleNonlinearSolve/.github/workflows/Downstream.yml
@@ -25,14 +25,14 @@ jobs:
           - {user: SciML, repo: OrdinaryDiffEq.jl, group: InterfaceIV}
           - {user: SciML, repo: OrdinaryDiffEq.jl, group: InterfaceV}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.julia-version }}
           arch: x64
       - uses: julia-actions/julia-buildpkg@latest
       - name: Clone Downstream
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: ${{ matrix.package.user }}/${{ matrix.package.repo }}
           path: downstream
diff --git a/lib/SimpleNonlinearSolve/.github/workflows/FormatCheck.yml b/lib/SimpleNonlinearSolve/.github/workflows/FormatCheck.yml
index 521b8c2b2..45bd09c47 100644
--- a/lib/SimpleNonlinearSolve/.github/workflows/FormatCheck.yml
+++ b/lib/SimpleNonlinearSolve/.github/workflows/FormatCheck.yml
@@ -21,7 +21,7 @@ jobs:
         with:
           version: ${{ matrix.julia-version }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install JuliaFormatter and format
         # This will use the latest version by default but you can set the version like so:
         #
diff --git a/lib/SimpleNonlinearSolve/.github/workflows/FormatPR.yml b/lib/SimpleNonlinearSolve/.github/workflows/FormatPR.yml
index b0cb28af5..eea22ebce 100644
--- a/lib/SimpleNonlinearSolve/.github/workflows/FormatPR.yml
+++ b/lib/SimpleNonlinearSolve/.github/workflows/FormatPR.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install JuliaFormatter and format
         run: |
           julia  -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'
diff --git a/lib/SimpleNonlinearSolve/.github/workflows/Invalidations.yml b/lib/SimpleNonlinearSolve/.github/workflows/Invalidations.yml
index 4d0004e83..28b9ce2fa 100644
--- a/lib/SimpleNonlinearSolve/.github/workflows/Invalidations.yml
+++ b/lib/SimpleNonlinearSolve/.github/workflows/Invalidations.yml
@@ -19,12 +19,12 @@ jobs:
     - uses: julia-actions/setup-julia@v1
       with:
         version: '1'
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: julia-actions/julia-buildpkg@v1
     - uses: julia-actions/julia-invalidations@v1
       id: invs_pr
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         ref: ${{ github.event.repository.default_branch }}
     - uses: julia-actions/julia-buildpkg@v1