diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 251d3e9..3ecdcfa 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -44,7 +44,7 @@ jobs:
           - '3'
           - '4'
     steps:
-      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: julia-actions/setup-julia@f40c4b69330df1d22e7590c12e76dc2f9c66e0bc # v1.9.2
         with:
           version: ${{ matrix.version }}
@@ -83,7 +83,7 @@ jobs:
         version:
           - '1.6'
     steps:
-      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: julia-actions/setup-julia@f40c4b69330df1d22e7590c12e76dc2f9c66e0bc # v1.9.2
         with:
           version: ${{ matrix.version }}
@@ -108,7 +108,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: julia-actions/setup-julia@f40c4b69330df1d22e7590c12e76dc2f9c66e0bc # v1.9.2
         with:
           version: '1'
@@ -128,7 +128,7 @@ jobs:
     name: Doctests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: julia-actions/setup-julia@f40c4b69330df1d22e7590c12e76dc2f9c66e0bc # v1.9.2
         with:
           version: '1'
diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index 56de3da..6f644df 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: julia-actions/setup-julia@f40c4b69330df1d22e7590c12e76dc2f9c66e0bc # v1.9.2
         with:
           version: '1'