diff --git a/.github/workflows/beta.yml b/.github/workflows/beta.yml
index f13f0bcec8..f417ea0584 100644
--- a/.github/workflows/beta.yml
+++ b/.github/workflows/beta.yml
@@ -28,7 +28,7 @@ jobs:
     continue-on-error: true
     steps:
       - run: rustup toolchain install --profile=minimal beta
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: git config --global --add safe.directory "$PWD" # actions/runner#2033
       - run: just toolchain=beta fetch
       - run: just toolchain=beta build
diff --git a/.github/workflows/fuzzers.yml b/.github/workflows/fuzzers.yml
index c7dd33bb64..03b0ef105d 100644
--- a/.github/workflows/fuzzers.yml
+++ b/.github/workflows/fuzzers.yml
@@ -30,7 +30,7 @@ jobs:
     container: docker://rust:1.90.0
     steps:
       - run: apt update && apt install -y jo
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: git config --global --add safe.directory "$PWD" # actions/runner#2033
       - uses: tj-actions/changed-files@9426d40962ed5378910ee2e21d5f8c6fcbf2dd96
         id: changed-files
@@ -55,7 +55,7 @@ jobs:
     steps:
       - run: rustup toolchain add nightly
       - run: cargo install cargo-fuzz
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: git config --global --add safe.directory "$PWD" # actions/runner#2033
       - working-directory: ${{matrix.dir}}
         run: cargo +nightly fetch
diff --git a/.github/workflows/markdown.yml b/.github/workflows/markdown.yml
index 8118ced85c..f05bacc76e 100644
--- a/.github/workflows/markdown.yml
+++ b/.github/workflows/markdown.yml
@@ -14,7 +14,7 @@ jobs:
     timeout-minutes: 5
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - uses: DavidAnson/markdownlint-cli2-action@6bf21b07787794f89a243495939cd651942aeabe
         with:
             globs: "**/*.md"
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 9e21d06908..1011181e19 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -28,7 +28,7 @@ jobs:
     continue-on-error: true
     steps:
       - run: rustup toolchain install --profile=minimal nightly
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: git config --global --add safe.directory "$PWD" # actions/runner#2033
       - run: just toolchain=nightly fetch
       - run: just toolchain=nightly profile=release build
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index d5acb02199..656e50f611 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 5
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - id: build
         uses: tj-actions/changed-files@9426d40962ed5378910ee2e21d5f8c6fcbf2dd96
         with:
@@ -77,7 +77,7 @@ jobs:
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
       - uses: linkerd/dev/actions/setup-tools@v50
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: just action-lint
       - run: just action-dev-check
 
@@ -91,7 +91,7 @@ jobs:
     timeout-minutes: 20
     steps:
       - run: git config --global --add safe.directory "$PWD" # actions/runner#2033
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4
       - run: just fetch
       - run: cargo deny --all-features check bans licenses sources
@@ -114,7 +114,7 @@ jobs:
         crate: ${{ fromJson(needs.meta.outputs.cargo_crates) }}
     steps:
       - run: git config --global --add safe.directory "$PWD" # actions/runner#2033
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4
       - run: just fetch
       - run: just check-crate ${{ matrix.crate }}
@@ -136,7 +136,7 @@ jobs:
           tag=$(linkerd version --client --short)
           echo "linkerd $tag"
           echo "LINKERD_TAG=$tag" >> "$GITHUB_ENV"
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: just docker
       - run: just k3d-create
       - run: just k3d-load-linkerd
@@ -168,7 +168,7 @@ jobs:
         if: contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled')
         run: exit 1
 
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         if: needs.meta.outputs.is_dependabot == 'true' && needs.meta.outputs.any_changed == 'true'
       - name: "Merge dependabot changes"
         if: needs.meta.outputs.is_dependabot == 'true' && needs.meta.outputs.any_changed == 'true'
diff --git a/.github/workflows/release-weekly.yml b/.github/workflows/release-weekly.yml
index 8d13ddb2fe..4362d5b045 100644
--- a/.github/workflows/release-weekly.yml
+++ b/.github/workflows/release-weekly.yml
@@ -44,7 +44,7 @@ jobs:
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - name: Check if the most recent commit is after the last release
         id: recency
         env:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d257867b76..1590333360 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -61,7 +61,7 @@ jobs:
     timeout-minutes: 5
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         if: github.event_name == 'pull_request'
       - id: workflow
         if: github.event_name == 'pull_request'
@@ -170,7 +170,7 @@ jobs:
 
       - name: Configure git
         run: git config --global --add safe.directory "$PWD" # actions/runner#2033
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         with:
           ref: ${{ needs.meta.outputs.ref }}
       - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4
@@ -204,7 +204,7 @@ jobs:
           git config --global user.name "$GITHUB_USERNAME"
           git config --global user.email "$GITHUB_USERNAME"@users.noreply.github.com
       # Tag the release.
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         with:
           token: ${{ secrets.LINKERD2_PROXY_GITHUB_TOKEN || github.token }}
           ref: ${{ needs.meta.outputs.ref }}
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index 047db9648a..9dfccbb0d9 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -16,5 +16,5 @@ jobs:
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
       - uses: linkerd/dev/actions/setup-tools@v50
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: just sh-lint
diff --git a/.github/workflows/toolchain.yml b/.github/workflows/toolchain.yml
index ee752e2c40..4217a39426 100644
--- a/.github/workflows/toolchain.yml
+++ b/.github/workflows/toolchain.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     container: ghcr.io/linkerd/dev:v50-rust
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: git config --global --add safe.directory "$PWD" # actions/runner#2033
       - run: |
           VERSION_REGEX='channel = "([0-9]+\.[0-9]+\.[0-9]+)"'
@@ -38,7 +38,7 @@ jobs:
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
       - uses: linkerd/dev/actions/setup-tools@v50
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - shell: bash
         run: |
           VERSION_REGEX='channel = "([0-9]+\.[0-9]+\.[0-9]+)"'