diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da674971..2f13c901 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ env:
   # Due to busy file system problems on the CI runners, we introduced a patch to
   # sleep if the MPI count of an I/O operation is unexpectedly 0 and then retry
   # the I/O operation once. The time is in milliseconds.
-  SC_IO_SLEEP_TIME: 5
+  SC_IO_SLEEP_TIME: 10
 
 jobs: