diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a92bb35..c66f0da 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -53,6 +53,6 @@ jobs:
           GITHUB_TOKEN: ${{ github.token }}
 
       - name: Attest build provenance
-        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2
+        uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v4
         with:
           subject-path: flint-${{ matrix.target }}.*