diff --git a/nixos/modules/services/networking/dhcpcd.nix b/nixos/modules/services/networking/dhcpcd.nix
index a7c896cb28a2..059dc59e8a0a 100644
--- a/nixos/modules/services/networking/dhcpcd.nix
+++ b/nixos/modules/services/networking/dhcpcd.nix
@@ -249,7 +249,7 @@ in
             ExecReload = "${dhcpcd}/sbin/dhcpcd --rebind";
             Restart = "always";
             AmbientCapabilities = [ "CAP_NET_ADMIN" "CAP_NET_RAW" "CAP_NET_BIND_SERVICE" ];
-            ReadWritePaths = [ "/proc/sys/net/ipv6" ]
+            ReadWritePaths = [ "/proc/sys/net/ipv4" "/proc/sys/net/ipv6" ]
               ++ lib.optionals useResolvConf ([ "/run/resolvconf" ] ++ config.networking.resolvconf.subscriberFiles);
             DeviceAllow = "";
             LockPersonality = true;