diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8013feb..68e955d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -86,13 +86,13 @@ jobs:
           bundler-cache: true
 
       - name: Run the conformance tests
-        uses: sigstore/sigstore-conformance@d658ea74a060aeabae78f8a379167f219dc38c38 # v0.0.16
+        uses: sigstore/sigstore-conformance@b7856cfca56fe3f957d4cefdc2c359cc36a84e14 # v0.0.24
         with:
           entrypoint: ${{ github.workspace }}/bin/conformance-entrypoint
           xfail: "${{ matrix.ruby != 'head' && matrix.ruby != '3.4' && 'test_verify_rejects_bad_tsa_timestamp' }}"
         if: ${{ matrix.os }} == "ubuntu-latest"
       - name: Run the conformance tests against staging
-        uses: sigstore/sigstore-conformance@d658ea74a060aeabae78f8a379167f219dc38c38 # v0.0.16
+        uses: sigstore/sigstore-conformance@b7856cfca56fe3f957d4cefdc2c359cc36a84e14 # v0.0.24
         with:
           entrypoint: ${{ github.workspace }}/bin/conformance-entrypoint
           xfail: "${{ matrix.ruby != 'head' && matrix.ruby != '3.4' && 'test_verify_rejects_bad_tsa_timestamp' }}"