diff --git a/contrib/systemd/crio.service b/contrib/systemd/crio.service
index 6eca1268..70a3d26b 100644
--- a/contrib/systemd/crio.service
+++ b/contrib/systemd/crio.service
@@ -16,6 +16,7 @@ TasksMax=8192
 LimitNOFILE=1048576
 LimitNPROC=1048576
 LimitCORE=infinity
+OOMScoreAdjust=-999
 TimeoutStartSec=0
 Restart=on-abnormal