diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 21c55346..56dab7f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       # These are the latest versions of the github actions; dependabot will
       # send PRs to keep these up-to-date.
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+      - 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 bcaeb347..21260bb6 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 == 'google' }}
     steps:
-      - uses: actions/stale@5f858e3efba33a5ca4407a664cc011ad407f2008
+      - uses: actions/stale@997185467fa4f803885201cee163a9f38240193d
         with:
           # Don't automatically mark inactive issues+PRs as stale.
           days-before-stale: -1