diff --git a/containerd.service b/containerd.service
index d86eb065f..79e4ce684 100644
--- a/containerd.service
+++ b/containerd.service
@@ -6,13 +6,17 @@ After=network.target
 [Service]
 ExecStartPre=/sbin/modprobe overlay
 ExecStart=/usr/local/bin/containerd
+
 Delegate=yes
 KillMode=process
-LimitNOFILE=1048576
 # Having non-zero Limit*s causes performance problems due to accounting overhead
 # in the kernel. We recommend using cgroups to do container-local accounting.
 LimitNPROC=infinity
 LimitCORE=infinity
+LimitNOFILE=infinity
+# Comment TasksMax if your systemd version does not supports it.
+# Only systemd 226 and above support this version.
+TasksMax=infinity
 
 [Install]
 WantedBy=multi-user.target