diff --git a/.github/workflows/buildtest.yaml b/.github/workflows/buildtest.yaml
index 8a4bbb6ae..04a66ca00 100644
--- a/.github/workflows/buildtest.yaml
+++ b/.github/workflows/buildtest.yaml
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     name: build quicksilver
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: "1.24.5"
@@ -65,7 +65,7 @@ jobs:
           - targetos: darwin
             arch: arm64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: "1.24.5"
@@ -110,7 +110,7 @@ jobs:
     runs-on: ubuntu-latest
     name: simulate quicksilver
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 837ab6c57..124b0533f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: 1.24.5
diff --git a/.github/workflows/devskim.yml b/.github/workflows/devskim.yml
index 34cdc7545..9e94a0e03 100644
--- a/.github/workflows/devskim.yml
+++ b/.github/workflows/devskim.yml
@@ -23,7 +23,7 @@ jobs:
       security-events: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Run DevSkim scanner
         uses: microsoft/DevSkim-Action@v1
diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index 2f66da84f..6482adf2a 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -23,7 +23,7 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: "1.24.5"
diff --git a/.github/workflows/golangci.yml b/.github/workflows/golangci.yml
index 18971777d..a097c3bbd 100644
--- a/.github/workflows/golangci.yml
+++ b/.github/workflows/golangci.yml
@@ -20,7 +20,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: "1.24.5"
@@ -35,7 +35,7 @@ jobs:
     name: lint-xcclookup
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: "1.24.5"
@@ -52,7 +52,7 @@ jobs:
 #     name: lint-icq-relayer
 #     runs-on: ubuntu-latest
 #     steps:
-#       - uses: actions/checkout@v4
+#       - uses: actions/checkout@v5
 #       - uses: actions/setup-go@v5
 #         with:
 #           go-version: "1.24.5"
diff --git a/.github/workflows/icq-relayer-build-test.yml b/.github/workflows/icq-relayer-build-test.yml
index fc3ab3590..02d341349 100644
--- a/.github/workflows/icq-relayer-build-test.yml
+++ b/.github/workflows/icq-relayer-build-test.yml
@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
@@ -31,7 +31,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
diff --git a/.github/workflows/md-link-checker.yml b/.github/workflows/md-link-checker.yml
index f72f8abe2..86d63598c 100644
--- a/.github/workflows/md-link-checker.yml
+++ b/.github/workflows/md-link-checker.yml
@@ -9,7 +9,7 @@ jobs:
   check_links:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Close Existing Broken Links Issue(s)
         uses: actions/stale@v9
diff --git a/.github/workflows/simulation.yml b/.github/workflows/simulation.yml
index 9b7eab177..da68a0770 100644
--- a/.github/workflows/simulation.yml
+++ b/.github/workflows/simulation.yml
@@ -8,7 +8,7 @@ jobs:
   simulate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
diff --git a/.github/workflows/xcclookup-build-test.yml b/.github/workflows/xcclookup-build-test.yml
index 1bfa0d4bd..89036f7f5 100644
--- a/.github/workflows/xcclookup-build-test.yml
+++ b/.github/workflows/xcclookup-build-test.yml
@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
@@ -31,7 +31,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}