diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 4e276e2..161b133 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -54,10 +54,9 @@ jobs:
           go-version: 1.16.x
       - name: Test
         run: |
-          ulimit -Sn 10485
-          ulimit -Sn
-          ulimit -Hn 10485
-          ulimit -Hn
+          echo "fs.file-max = 500000" >> /etc/sysctl.conf
+          sysctl -p
+          ulimit -n 500000
           make test
 
 #  codeql: