diff --git a/.github/workflows/appengine.yml b/.github/workflows/appengine.yml
index 3fe40798..e5128397 100644
--- a/.github/workflows/appengine.yml
+++ b/.github/workflows/appengine.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         sdk: [stable, dev]
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: ${{ matrix.sdk }}
diff --git a/.github/workflows/gcloud.yml b/.github/workflows/gcloud.yml
index 504cb6dc..6fad4c0f 100644
--- a/.github/workflows/gcloud.yml
+++ b/.github/workflows/gcloud.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         sdk: [stable, dev]
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: ${{ matrix.sdk }}
diff --git a/.github/workflows/googleapis_firestore_v1.yaml b/.github/workflows/googleapis_firestore_v1.yaml
index c2c76405..c1847f5f 100644
--- a/.github/workflows/googleapis_firestore_v1.yaml
+++ b/.github/workflows/googleapis_firestore_v1.yaml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         sdk: [stable, dev]
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: ${{ matrix.sdk }}
diff --git a/.github/workflows/io_file.yml b/.github/workflows/io_file.yml
index 6e4298ef..d16bbd8f 100644
--- a/.github/workflows/io_file.yml
+++ b/.github/workflows/io_file.yml
@@ -27,7 +27,7 @@ jobs:
   analyze_and_format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: dev
@@ -43,7 +43,7 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-11-arm, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: ${{ matrix.sdk }}
@@ -54,7 +54,7 @@ jobs:
     # SIG_PROF on Linux).
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: dev
@@ -68,7 +68,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: ${{ matrix.sdk }}
@@ -85,7 +85,7 @@ jobs:
       run:
         working-directory: pkgs/io_file/mobile_test
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: subosito/flutter-action@fd55f4c5af5b953cc57a2be44cb082c8f6635e8e
         with:
           channel: master
@@ -95,7 +95,7 @@ jobs:
           sudo udevadm control --reload-rules
           sudo udevadm trigger --name-match=kvm
       - name: Run tests
-        uses: reactivecircus/android-emulator-runner@1dcd0090116d15e7c562f8db72807de5e036a4ed
+        uses: reactivecircus/android-emulator-runner@b530d96654c385303d652368551fb075bc2f0b6b
         with:
           api-level: 24
           disable-animations: true
@@ -111,7 +111,7 @@ jobs:
       run:
         working-directory: pkgs/io_file/mobile_test
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: subosito/flutter-action@fd55f4c5af5b953cc57a2be44cb082c8f6635e8e
         with:
           channel: master
@@ -127,7 +127,7 @@ jobs:
   web-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: dev
diff --git a/.github/workflows/jot.yml b/.github/workflows/jot.yml
index 9da8dadf..7590ddd4 100644
--- a/.github/workflows/jot.yml
+++ b/.github/workflows/jot.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         sdk: [stable, dev]
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: ${{ matrix.sdk }}
diff --git a/.github/workflows/native_synchronization.yml b/.github/workflows/native_synchronization.yml
index 79bfa9c3..130033e7 100644
--- a/.github/workflows/native_synchronization.yml
+++ b/.github/workflows/native_synchronization.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         sdk: [stable, dev]
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: ${{ matrix.sdk }}
diff --git a/.github/workflows/no-response.yml b/.github/workflows/no-response.yml
index a6be2229..898992ce 100644
--- a/.github/workflows/no-response.yml
+++ b/.github/workflows/no-response.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository_owner == 'dart-lang' }}
     steps:
-      - uses: actions/stale@5f858e3efba33a5ca4407a664cc011ad407f2008
+      - uses: actions/stale@997185467fa4f803885201cee163a9f38240193d
         with:
           # Don't automatically mark inactive issues+PRs as stale.
           days-before-stale: -1
diff --git a/.github/workflows/unix_api.yml b/.github/workflows/unix_api.yml
index 76b4663e..acbe8f0d 100644
--- a/.github/workflows/unix_api.yml
+++ b/.github/workflows/unix_api.yml
@@ -25,7 +25,7 @@ jobs:
   analyze_and_format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
       - run: dart pub get
       - run: dart analyze --fatal-infos
@@ -40,7 +40,7 @@ jobs:
         os: [macos-latest, ubuntu-latest, ubuntu-24.04-arm]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
       - run: dart pub get
       - run: dart run tool/generate.dart
@@ -54,7 +54,7 @@ jobs:
         os: [macos-latest, ubuntu-latest, ubuntu-24.04-arm]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
           sdk: ${{ matrix.sdk }}