diff --git a/.github/workflows/ci-deep.yml b/.github/workflows/ci-deep.yml
index 38ae5d9..31be761 100644
--- a/.github/workflows/ci-deep.yml
+++ b/.github/workflows/ci-deep.yml
@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
     inputs:
       fuzzRuns:
-        default: "100000"
+        default: "10000"
         description: "Unit: number of fuzz runs."
         required: false
 
@@ -143,7 +143,7 @@ jobs:
         run: yarn foundry:test
         env:
           ETH_NODE_URI_OPTIMISM: ${{ secrets.ETH_NODE_URI_OPTIMISM }}
-          FOUNDRY_FUZZ_RUNS: ${{ github.event.inputs.fuzzRuns }}
+          FOUNDRY_FUZZ_RUNS: ${{ github.event.inputs.fuzzRuns || '10000' }}
 
       - name: "Add test summary"
         run: |