diff --git a/.github/workflows/JetLagged.yaml b/.github/workflows/JetLagged.yaml
index d5d7f2d66..c569d2926 100644
--- a/.github/workflows/JetLagged.yaml
+++ b/.github/workflows/JetLagged.yaml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       
       - name: Copy CI gradle.properties
         run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
diff --git a/.github/workflows/JetNews.yaml b/.github/workflows/JetNews.yaml
index a444e4e5d..286cb2cab 100644
--- a/.github/workflows/JetNews.yaml
+++ b/.github/workflows/JetNews.yaml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Enable KVM group perms
         run: |
             echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
diff --git a/.github/workflows/Jetchat.yaml b/.github/workflows/Jetchat.yaml
index feb22ef6e..55febf3d0 100644
--- a/.github/workflows/Jetchat.yaml
+++ b/.github/workflows/Jetchat.yaml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       
       - name: Copy CI gradle.properties
         run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
diff --git a/.github/workflows/Release.yml b/.github/workflows/Release.yml
index 749ec72ad..5d51e65a9 100644
--- a/.github/workflows/Release.yml
+++ b/.github/workflows/Release.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4   
+        uses: actions/checkout@v5   
 
       - name: Copy CI gradle.properties
         run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
diff --git a/.github/workflows/Reply.yaml b/.github/workflows/Reply.yaml
index 569f7f49d..7067098a1 100644
--- a/.github/workflows/Reply.yaml
+++ b/.github/workflows/Reply.yaml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Copy CI gradle.properties
         run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
diff --git a/.github/workflows/build-sample.yml b/.github/workflows/build-sample.yml
index 4d0de3cb4..a6785b202 100644
--- a/.github/workflows/build-sample.yml
+++ b/.github/workflows/build-sample.yml
@@ -35,7 +35,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           # https://github.com/diffplug/spotless/issues/710
           # Check out full history for Spotless to ensure ratchetFrom can find the ratchet version
diff --git a/.github/workflows/default-check.yml b/.github/workflows/default-check.yml
index 4f6ed9906..259cff272 100644
--- a/.github/workflows/default-check.yml
+++ b/.github/workflows/default-check.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Run a simple check
         run: echo "Running a simple check on files outside sample directories"
diff --git a/.github/workflows/update_deps.yml b/.github/workflows/update_deps.yml
index dd303d833..341f30496 100644
--- a/.github/workflows/update_deps.yml
+++ b/.github/workflows/update_deps.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Copy CI gradle.properties
       run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
     - name: set up JDK 17