diff --git a/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py b/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py
index 4bad00add4..7a5ed394e6 100644
--- a/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py
+++ b/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py
@@ -51,6 +51,6 @@ pytestmark = pytest.mark.extra_artifacts(
 )
 
 
-@isctest.mark.flaky(max_runs=3)  # GL#4605
+@isctest.mark.flaky(max_runs=5)  # GL#4605
 def test_enginepkcs11(run_tests_sh):
     run_tests_sh()