diff --git a/src/action/common/configure_determinate_nixd_init_service/mod.rs b/src/action/common/configure_determinate_nixd_init_service/mod.rs
index b7b3f664..3184adb4 100644
--- a/src/action/common/configure_determinate_nixd_init_service/mod.rs
+++ b/src/action/common/configure_determinate_nixd_init_service/mod.rs
@@ -227,12 +227,12 @@ fn generate_plist() -> DeterminateNixDaemonPlist {
         standard_error_path: "/var/log/determinate-nix-daemon.log".into(),
         standard_out_path: "/var/log/determinate-nix-daemon.log".into(),
         soft_resource_limits: ResourceLimits {
-            number_of_files: 512 * 1024 * 1024,
+            number_of_files: 1024 * 1024,
             number_of_processes: 1024 * 1024,
             stack: 64 * 1024 * 1024,
         },
         hard_resource_limits: ResourceLimits {
-            number_of_files: 512 * 1024 * 1024,
+            number_of_files: 1024 * 1024,
             number_of_processes: 1024 * 1024,
             stack: 64 * 1024 * 1024,
         },
diff --git a/src/action/common/configure_determinate_nixd_init_service/nix-daemon.determinate-nixd.service b/src/action/common/configure_determinate_nixd_init_service/nix-daemon.determinate-nixd.service
index 9fdfa425..e9be161a 100644
--- a/src/action/common/configure_determinate_nixd_init_service/nix-daemon.determinate-nixd.service
+++ b/src/action/common/configure_determinate_nixd_init_service/nix-daemon.determinate-nixd.service
@@ -9,7 +9,7 @@ ConditionPathIsReadWrite=/nix/var/nix/daemon-socket
 [Service]
 ExecStart=@/usr/local/bin/determinate-nixd determinate-nixd
 KillMode=process
-LimitNOFILE=536870912
+LimitNOFILE=1048576
 LimitSTACK=64M
 TasksMax=1048576