diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a328de5..6b488f5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Python
         uses: actions/setup-python@v6
@@ -50,7 +50,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 6cffbba..dc7f1c5 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/fortify.yml b/.github/workflows/fortify.yml
index 3e47ece..99eb2df 100644
--- a/.github/workflows/fortify.yml
+++ b/.github/workflows/fortify.yml
@@ -17,7 +17,7 @@ jobs:
       
     steps:
       - name: Check Out Source Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Java
         uses: actions/setup-java@v4
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 752569c..fd12fd2 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Python
         uses: actions/setup-python@v6