diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 68f28f6b..99b88e00 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,7 +17,7 @@ jobs:
     steps:
 
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           ssh-key: ${{ secrets.SSH_KEY }}
@@ -45,7 +45,7 @@ jobs:
     steps:
 
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           ssh-key: ${{ secrets.SSH_KEY }}
@@ -78,7 +78,7 @@ jobs:
           # custom instrumented libc.
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           ssh-key: ${{ secrets.SSH_KEY }}
@@ -104,7 +104,7 @@ jobs:
     steps:
 
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           ssh-key: ${{ secrets.SSH_KEY }}
@@ -132,7 +132,7 @@ jobs:
     steps:
 
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           ssh-key: ${{ secrets.SSH_KEY }}
@@ -159,7 +159,7 @@ jobs:
     steps:
 
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           ssh-key: ${{ secrets.SSH_KEY }}
@@ -189,7 +189,7 @@ jobs:
           auto-update-conda: true
           auto-activate-base: false
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           ssh-key: ${{ secrets.SSH_KEY }}
@@ -213,7 +213,7 @@ jobs:
     steps:
 
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           ssh-key: ${{ secrets.SSH_KEY }}