diff --git a/pkgs/tools/networking/dhcp/builder.sh b/pkgs/tools/networking/dhcp/builder.sh
deleted file mode 100644
index 19c3d6087361..000000000000
--- a/pkgs/tools/networking/dhcp/builder.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-source $stdenv/setup
-
-# Hack to prevent dhclient from overriding the PATH specified with
-# '-e' on the command-line.
-makeFlagsArray=(CLIENT_PATH='\"FAKE_PATH=/nothing\"' \
-    USERBINDIR=$out/bin BINDIR=$out/sbin CLIENTBINDIR=$out/sbin \
-    ADMMANDIR=$out/share/man/man8 FFMANDIR=$out/share/man/man5 \
-    LIBMANDIR=$out/share/man/man3 USRMANDIR=$out/share/man/man1 \
-    LIBDIR=$out/lib INCDIR=$out/include VARDB=$OUT/var/run \
-)
-
-configurePhase() {
-    # Patch the header that contains absolute paths to the tools.
-    sed -i "includes/dhcpd.h" \
-	-"es|^ *#define \+_PATH_DHCLIENT_SCRIPT.*$|#define _PATH_DHCLIENT_SCRIPT \"$out/sbin/dhclient-script\"|g"
-
-    ./configure
-}
-
-preBuild() {
-    substituteInPlace client/scripts/linux --replace /bin/bash $shell
-}
-
-genericBuild
diff --git a/pkgs/tools/networking/dhcp/default.nix b/pkgs/tools/networking/dhcp/default.nix
index 063dc15532bd..94e59ad8b161 100644
--- a/pkgs/tools/networking/dhcp/default.nix
+++ b/pkgs/tools/networking/dhcp/default.nix
@@ -1,22 +1,28 @@
-{ stdenv, fetchurl, groff, nettools, coreutils, iputils, gnused,
-  bash, makeWrapper }:
+{ stdenv, fetchurl, nettools, iputils, iproute, makeWrapper }:
 
-stdenv.mkDerivation {
-  name = "dhcp-3.0.6";
-  builder = ./builder.sh;
+stdenv.mkDerivation rec {
+  name = "dhcp-4.1.0p1";
+  
   src = fetchurl {
-    url = http://ftp.isc.org/isc/dhcp/dhcp-3.0.6.tar.gz;
-    sha256 = "0k8gy3ab9kzs4qcc9apgnxi982lhggha41fkw9w1bmvmz7mv0xwz";
+    url = "http://ftp.isc.org/isc/dhcp/${name}.tar.gz";
+    sha256 = "0il966bcls7nfd93qfqrgvd2apkm0kv7pk35lnl1nvbm7fyrik7z";
   };
 
-  buildInputs = [ groff nettools coreutils makeWrapper ];
+  # Fixes "socket.c:591: error: invalid application of 'sizeof' to
+  # incomplete type 'struct in6_pktinfo'".  See
+  # http://www.mail-archive.com/blfs-book@linuxfromscratch.org/msg13013.html
+  NIX_CFLAGS_COMPILE = "-D_GNU_SOURCE";
 
-  patches = [ ./resolv-without-domain.patch ./no-mkdir-var-run.patch ];
+  buildInputs = [makeWrapper];
 
-  postInstall = ''
-    wrapProgram "$out/sbin/dhclient-script" --prefix PATH : \
-      "${nettools}/bin:${nettools}/sbin:${coreutils}/bin:${gnused}/bin"
-  '';
+  postInstall =
+    ''
+      cp client/scripts/linux $out/sbin/dhclient-script
+      substituteInPlace $out/sbin/dhclient-script \
+        --replace /sbin/ip ${iproute}/sbin/ip
+      wrapProgram "$out/sbin/dhclient-script" --prefix PATH : \
+        "${nettools}/bin:${nettools}/sbin:${iputils}/bin"
+    '';
 
   meta = {
     description = "Dynamic Host Configuration Protocol (DHCP) tools";
diff --git a/pkgs/tools/networking/dhcp/no-mkdir-var-run.patch b/pkgs/tools/networking/dhcp/no-mkdir-var-run.patch
deleted file mode 100644
index e8c5dc9f639a..000000000000
--- a/pkgs/tools/networking/dhcp/no-mkdir-var-run.patch
+++ /dev/null
@@ -1,22 +0,0 @@
---- dhcp-3.0.6/client/Makefile.dist	2008-03-14 14:36:04.000000000 +0100
-+++ dhcp-3.0.6/client/Makefile.dist	2008-03-14 14:36:06.000000000 +0100
-@@ -38,7 +38,7 @@ CFLAGS = $(DEBUG) $(PREDEFINES) $(INCLUD
- all:	$(PROG) $(CATMANPAGES)
- 
- install: all
--	for dir in $(CLIENTBINDIR) $(ETC) $(FFMANDIR) $(ADMMANDIR) $(VARDB); \
-+	for dir in $(CLIENTBINDIR) $(ETC) $(FFMANDIR) $(ADMMANDIR); \
- 	do \
- 	  foo=""; \
- 	  for bar in `echo $(DESTDIR)$${dir} |tr / ' '`; do \
---- dhcp-3.0.6/server/Makefile.dist	2008-03-14 14:37:05.000000000 +0100
-+++ dhcp-3.0.6/server/Makefile.dist	2008-03-14 14:37:13.000000000 +0100
-@@ -38,7 +38,7 @@ CFLAGS = $(DEBUG) $(PREDEFINES) $(INCLUD
- all:	$(PROG) $(CATMANPAGES)
- 
- install: all
--	for dir in $(BINDIR) $(ADMMANDIR) $(FFMANDIR) $(VARDB); do \
-+	for dir in $(BINDIR) $(ADMMANDIR) $(FFMANDIR); do \
- 	  foo=""; \
- 	  for bar in `echo $(DESTDIR)$${dir} |tr / ' '`; do \
- 	    foo=$${foo}/$$bar; \
diff --git a/pkgs/tools/networking/dhcp/resolv-without-domain.patch b/pkgs/tools/networking/dhcp/resolv-without-domain.patch
deleted file mode 100644
index 262c441f930a..000000000000
--- a/pkgs/tools/networking/dhcp/resolv-without-domain.patch
+++ /dev/null
@@ -1,27 +0,0 @@
-diff -rc dhcp-3.0.5-orig/client/scripts/linux dhcp-3.0.5/client/scripts/linux
-*** dhcp-3.0.5-orig/client/scripts/linux	Fri Nov 15 02:09:09 2002
---- dhcp-3.0.5/client/scripts/linux	Tue Feb 20 15:02:34 2007
-***************
-*** 23,31 ****
-  # of the $1 in its args.
-  
-  make_resolv_conf() {
-!   if [ "x$new_domain_name" != x ] && [ x"$new_domain_name_servers" != x ]; then
-!     echo search $new_domain_name >/etc/resolv.conf
-      chmod 644 /etc/resolv.conf
-      for nameserver in $new_domain_name_servers; do
-        echo nameserver $nameserver >>/etc/resolv.conf
-      done
---- 23,34 ----
-  # of the $1 in its args.
-  
-  make_resolv_conf() {
-!   if [ x"$new_domain_name_servers" != x ]; then
-!     echo -n >/etc/resolv.conf
-      chmod 644 /etc/resolv.conf
-+     if [ "x$new_domain_name" != x ]; then
-+       echo search $new_domain_name >>/etc/resolv.conf
-+     fi
-      for nameserver in $new_domain_name_servers; do
-        echo nameserver $nameserver >>/etc/resolv.conf
-      done
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c4413557b146..2c3936c02576 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -604,8 +604,7 @@ let
   };
 
   dhcp = import ../tools/networking/dhcp {
-    inherit fetchurl stdenv groff nettools coreutils iputils gnused
-            bash makeWrapper;
+    inherit fetchurl stdenv nettools iputils iproute makeWrapper;
   };
 
   dhcpcd = import ../tools/networking/dhcpcd {