diff --git a/srcpkgs/nix/files/nix-daemon/run b/srcpkgs/nix/files/nix-daemon/run
index 052cf9d45a8..1a57c15efdc 100644
--- a/srcpkgs/nix/files/nix-daemon/run
+++ b/srcpkgs/nix/files/nix-daemon/run
@@ -1,3 +1,3 @@
 #!/bin/sh
 exec 2>&1
-exec nix-daemon
+exec prlimit --nofile=1048576 nix-daemon
diff --git a/srcpkgs/nix/template b/srcpkgs/nix/template
index ee2f9f14835..20eb0d85fda 100644
--- a/srcpkgs/nix/template
+++ b/srcpkgs/nix/template
@@ -1,7 +1,7 @@
 # Template file for 'nix'
 pkgname=nix
 version=2.11.0
-revision=5
+revision=6
 build_style=gnu-configure
 build_helper=qemu
 # Use /nix/var as suggested by the official Manual.