diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 56dab7f9..682b1a7f 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@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - 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 21260bb6..6dede241 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@997185467fa4f803885201cee163a9f38240193d
+      - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f
         with:
           # Don't automatically mark inactive issues+PRs as stale.
           days-before-stale: -1