diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e2f1b4fa73fb..1f5bb55982ef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
     name: Documentation Style Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
   
       - name: Running Vale
         uses: errata-ai/vale-action@reviewdog
@@ -77,7 +77,7 @@ jobs:
       DOC_DEPLOYMENT_IMAGE_TAG: v23.1.0
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
@@ -186,7 +186,7 @@ jobs:
     runs-on: [self-hosted, pyfluent]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
@@ -328,7 +328,7 @@ jobs:
 
     steps:
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
@@ -399,7 +399,7 @@ jobs:
             version: 241
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/compare-flobject.yml b/.github/workflows/compare-flobject.yml
index 05cb09486c4f..a24dc35aeb3e 100644
--- a/.github/workflows/compare-flobject.yml
+++ b/.github/workflows/compare-flobject.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/nightly-dev-doc-build.yml b/.github/workflows/nightly-dev-doc-build.yml
index 888a1bda6f7a..9b431fe68187 100644
--- a/.github/workflows/nightly-dev-doc-build.yml
+++ b/.github/workflows/nightly-dev-doc-build.yml
@@ -18,7 +18,7 @@ jobs:
         image-tag: [v22.2.0, v23.1.0, v23.2.0, v24.1.0]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/nightly-test-run.yml b/.github/workflows/nightly-test-run.yml
index f74ad345e8e9..31d91ccb8f53 100644
--- a/.github/workflows/nightly-test-run.yml
+++ b/.github/workflows/nightly-test-run.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: [self-hosted, pyfluent]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/release-doc-build.yml b/.github/workflows/release-doc-build.yml
index 7b5f247c833a..13c220138b4c 100644
--- a/.github/workflows/release-doc-build.yml
+++ b/.github/workflows/release-doc-build.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: [self-hosted, pyfluent]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/tag-iteration-ends.yml b/.github/workflows/tag-iteration-ends.yml
index 076d6185ea5c..05e96f1f066b 100644
--- a/.github/workflows/tag-iteration-ends.yml
+++ b/.github/workflows/tag-iteration-ends.yml
@@ -25,7 +25,7 @@ jobs:
     name: tag-iteration-ends
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Get last date of iteration
         id: date
         run: echo "date=$(date -u --date yesterday +'%m%d')" >> $GITHUB_OUTPUT
diff --git a/.github/workflows/test-run-wo-codegen.yml b/.github/workflows/test-run-wo-codegen.yml
index 528fbdebd769..f700b109e1bf 100644
--- a/.github/workflows/test-run-wo-codegen.yml
+++ b/.github/workflows/test-run-wo-codegen.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: [self-hosted, pyfluent]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4