diff --git a/.github/workflows/JirabotMerge.yml b/.github/workflows/JirabotMerge.yml
index 1c37f0da..24ab6a7a 100644
--- a/.github/workflows/JirabotMerge.yml
+++ b/.github/workflows/JirabotMerge.yml
@@ -33,7 +33,7 @@ jobs:
           python -m pip install --upgrade atlassian-python-api
           python -m pip install --upgrade jira
       - name: "Checkout"
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.base.ref }}
           fetch-depth: 0
diff --git a/.github/workflows/Nightly.yml b/.github/workflows/Nightly.yml
index 1e18e0e2..7ecc0518 100644
--- a/.github/workflows/Nightly.yml
+++ b/.github/workflows/Nightly.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
diff --git a/.github/workflows/javadocTest.yml b/.github/workflows/javadocTest.yml
index 9982780f..4a1ae90f 100644
--- a/.github/workflows/javadocTest.yml
+++ b/.github/workflows/javadocTest.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Setup JDK 11
       uses: actions/setup-java@v1
@@ -20,7 +20,7 @@ jobs:
 
     # speed things up with caching from https://docs.github.com/en/actions/guides/building-and-testing-java-with-maven
     - name: Cache Maven packages
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.m2
         key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
diff --git a/.github/workflows/publish-release-on-merge.yml b/.github/workflows/publish-release-on-merge.yml
index cdacd522..31042796 100644
--- a/.github/workflows/publish-release-on-merge.yml
+++ b/.github/workflows/publish-release-on-merge.yml
@@ -15,7 +15,7 @@ jobs:
           echo "Actor      = ${{ github.actor }}"
           echo "SHA        = ${{ github.sha }}"
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Maven Central Repository
         uses: actions/setup-java@v3
         with:
diff --git a/.github/workflows/spark-hpcc-remote-test.yml b/.github/workflows/spark-hpcc-remote-test.yml
index d1ad8a02..e311c7b4 100644
--- a/.github/workflows/spark-hpcc-remote-test.yml
+++ b/.github/workflows/spark-hpcc-remote-test.yml
@@ -124,7 +124,7 @@ jobs:
 
     # speed things up with caching from https://docs.github.com/en/actions/guides/building-and-testing-java-with-maven
     - name: Cache Maven packages
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.m2
         key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}