diff --git a/.github/workflows/BumpStdlibs.yml b/.github/workflows/BumpStdlibs.yml
index f52fc68..4b8c313 100644
--- a/.github/workflows/BumpStdlibs.yml
+++ b/.github/workflows/BumpStdlibs.yml
@@ -25,7 +25,7 @@ jobs:
     if: github.event_name == 'workflow_dispatch'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - run: echo "BUMPSTDLIBS_STDLIBS_TO_INCLUDE is ${{ github.event.inputs.BUMPSTDLIBS_STDLIBS_TO_INCLUDE }}"
       - run: git config --global user.name "Dilum Aluthge"
       - run: git config --global user.email "dilum@aluthge.com"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5092454..e5b5927 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,12 +27,12 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v3
         env:
           cache-name: cache-artifacts
         with:
@@ -57,7 +57,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: '1'