diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index c87fdf9..500b9df 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -54,6 +54,7 @@ jobs:
           go-version: 1.16.x
       - name: Test
         run: |
+          sudo echo 65535 > /proc/sys/fs/file-max
           sudo sysctl -w fs.file-max=1000000
           sudo sysctl -p
           sudo sh -c "ulimit -n 1000000"