diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c06b05d2..03c038bb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -319,7 +319,7 @@ jobs:
       - uses: google/clusterfuzzlite/actions/run_fuzzers@v1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
-          fuzz-seconds: 600
+          fuzz-seconds: 900
           mode: code-change
           sanitizer: address
           minimize-crashes: true
@@ -341,7 +341,7 @@ jobs:
       - uses: google/clusterfuzzlite/actions/run_fuzzers@v1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
-          fuzz-seconds: 3600
+          fuzz-seconds: 7200
           mode: batch
           sanitizer: address
           minimize-crashes: true