diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a3770ecd..340d04f4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v7
@@ -34,7 +34,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v7
@@ -59,7 +59,7 @@ jobs:
           ANNOTATE_MISSING_LINES: true
 
       - name: Store Pull Request comment to be posted
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: steps.coverage_comment.outputs.COMMENT_FILE_WRITTEN == 'true'
         with:
           name: python-coverage-comment-action
diff --git a/.github/workflows/e2e-external-phase-1.yml b/.github/workflows/e2e-external-phase-1.yml
index 92e99e1c..7820b56e 100644
--- a/.github/workflows/e2e-external-phase-1.yml
+++ b/.github/workflows/e2e-external-phase-1.yml
@@ -20,7 +20,7 @@ jobs:
         env:
           PR_NUMBER: ${{ github.event.pull_request.number }}
       - name: Save artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: pr_number
           path: pr_number.txt
diff --git a/.github/workflows/e2e-external-phase-2.yml b/.github/workflows/e2e-external-phase-2.yml
index 909df2c6..40e148fe 100644
--- a/.github/workflows/e2e-external-phase-2.yml
+++ b/.github/workflows/e2e-external-phase-2.yml
@@ -82,7 +82,7 @@ jobs:
           JOB_ID: ${{ steps.extract_job_id.outputs.JOB_ID }}
 
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # Important: use the commit that was reviewed. GitHub is making sure
           # that this is race-condition-proof
@@ -92,7 +92,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
 
       - name: Poetry caches
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cache/
diff --git a/.github/workflows/manual-release.yml b/.github/workflows/manual-release.yml
index 08e7f5a3..fcc34829 100644
--- a/.github/workflows/manual-release.yml
+++ b/.github/workflows/manual-release.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           fetch-tags: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bddda27e..9d8df62a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -86,7 +86,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           fetch-tags: true
diff --git a/tests/end_to_end/repo/.github/workflows/ci.yml b/tests/end_to_end/repo/.github/workflows/ci.yml
index b985b308..91fefc08 100644
--- a/tests/end_to_end/repo/.github/workflows/ci.yml
+++ b/tests/end_to_end/repo/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       pull-requests: write
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
@@ -40,7 +40,7 @@ jobs:
           SUBPROJECT_ID: __ACTION_SUBPROJECT_ID__
 
       - name: Store Pull Request comment to be posted
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: steps.coverage_comment.outputs.COMMENT_FILE_WRITTEN == 'true'
         with:
           name: python-coverage-comment-action