diff --git a/.github/workflows/acceptance-tests.yml b/.github/workflows/acceptance-tests.yml
index 0b3194e0c..404e73407 100644
--- a/.github/workflows/acceptance-tests.yml
+++ b/.github/workflows/acceptance-tests.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Check out
         with:
           persist-credentials: false
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - uses: jdx/mise-action@1648a7812b9aeae629881980618f079932869151 # v4.0.1
         with:
           version: v2026.5.18
diff --git a/.github/workflows/api-diff.yml b/.github/workflows/api-diff.yml
index 99b7844ea..548b7139f 100644
--- a/.github/workflows/api-diff.yml
+++ b/.github/workflows/api-diff.yml
@@ -32,7 +32,7 @@ jobs:
         ${{ contains(github.event.pull_request.labels.*.name, 'breaking-api-change-accepted') }}
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
       - uses: jdx/mise-action@1648a7812b9aeae629881980618f079932869151 # v4.0.1
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c6be7ed7b..b686c28cf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
       - uses: jdx/mise-action@1648a7812b9aeae629881980618f079932869151 # v4.0.1
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 521dab4f4..1de0ca840 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -21,7 +21,7 @@ jobs:
       security-events: write # required for github/codeql-action/analyze to upload SARIF
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/generate-api-diff-baseline.yml b/.github/workflows/generate-api-diff-baseline.yml
index aee2b4ee6..a3ad47e86 100644
--- a/.github/workflows/generate-api-diff-baseline.yml
+++ b/.github/workflows/generate-api-diff-baseline.yml
@@ -29,7 +29,7 @@ jobs:
     permissions:
       contents: read # checkout + read-only `git fetch origin main` for the verify step
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           ref: ${{ github.ref }}
           persist-credentials: false
@@ -90,7 +90,7 @@ jobs:
     permissions:
       contents: write # push regenerated docs/apidiffs back to the renovate branch
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           ref: ${{ github.ref }}
           # zizmor: ignore[artipacked] -- needs credentials to push
diff --git a/.github/workflows/generate-protobuf.yml b/.github/workflows/generate-protobuf.yml
index e096b5881..e186836c8 100644
--- a/.github/workflows/generate-protobuf.yml
+++ b/.github/workflows/generate-protobuf.yml
@@ -14,7 +14,7 @@ jobs:
     permissions:
       contents: read # checkout + read-only `git fetch origin main` for the verify step
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           ref: ${{ github.ref }}
           persist-credentials: false
@@ -66,7 +66,7 @@ jobs:
     permissions:
       contents: write # push regenerated sources back to the renovate branch
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           ref: ${{ github.ref }}
           # zizmor: ignore[artipacked] -- needs credentials to push
diff --git a/.github/workflows/github-pages.yaml b/.github/workflows/github-pages.yaml
index bd1b58a47..270cdf677 100644
--- a/.github/workflows/github-pages.yaml
+++ b/.github/workflows/github-pages.yaml
@@ -32,7 +32,7 @@ jobs:
     if: github.repository == 'prometheus/client_java'
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
           fetch-tags: "true"
diff --git a/.github/workflows/jmx-exporter-compatibility.yml b/.github/workflows/jmx-exporter-compatibility.yml
index afdaed42d..79a1e9eb9 100644
--- a/.github/workflows/jmx-exporter-compatibility.yml
+++ b/.github/workflows/jmx-exporter-compatibility.yml
@@ -19,7 +19,7 @@ jobs:
   jmx-exporter-compatibility:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
       - uses: jdx/mise-action@1648a7812b9aeae629881980618f079932869151 # v4.0.1
diff --git a/.github/workflows/multi-version-test.yml b/.github/workflows/multi-version-test.yml
index a0bfeef76..3545ce207 100644
--- a/.github/workflows/multi-version-test.yml
+++ b/.github/workflows/multi-version-test.yml
@@ -15,7 +15,7 @@ jobs:
         java: [17, 21, 25]
     steps:
       - name: Check out
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/native-tests.yml b/.github/workflows/native-tests.yml
index 81e4ed9b9..e21b9d94a 100644
--- a/.github/workflows/native-tests.yml
+++ b/.github/workflows/native-tests.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Check out
         with:
           persist-credentials: false
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - uses: jdx/mise-action@1648a7812b9aeae629881980618f079932869151 # v4.0.1
         with:
           version: v2026.5.18
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2e0732b56..6ba78b44a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
           echo "${#GPG_SIGNING_KEY}"
           echo "${GPG_SIGNING_KEY}" | gpg --batch --import-options import-show --import
       - name: Checkout Plugin Repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           ref: ${{ inputs.tag }}
           persist-credentials: false
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 532a3787b..6e2f53bd7 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -22,7 +22,7 @@ jobs:
       id-token: write # required by scorecard-action for OIDC token
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/test-release-build.yml b/.github/workflows/test-release-build.yml
index 9e88dc430..ff9ffbdad 100644
--- a/.github/workflows/test-release-build.yml
+++ b/.github/workflows/test-release-build.yml
@@ -13,7 +13,7 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
           fetch-tags: "true"