diff --git a/api/client/build.go b/api/client/build.go
index b700884835..7d226ee803 100644
--- a/api/client/build.go
+++ b/api/client/build.go
@@ -27,9 +27,9 @@ import (
 	flag "github.com/docker/docker/pkg/mflag"
 	"github.com/docker/docker/pkg/progress"
 	"github.com/docker/docker/pkg/streamformatter"
-	"github.com/docker/docker/pkg/ulimit"
 	"github.com/docker/docker/pkg/urlutil"
 	"github.com/docker/docker/reference"
+	runconfigopts "github.com/docker/docker/runconfig/opts"
 	"github.com/docker/docker/utils"
 	"github.com/docker/go-units"
 )
@@ -62,8 +62,8 @@ func (cli *DockerCli) CmdBuild(args ...string) error {
 	cmd.Var(&flBuildArg, []string{"-build-arg"}, "Set build-time variables")
 	isolation := cmd.String([]string{"-isolation"}, "", "Container isolation level")
 
-	ulimits := make(map[string]*ulimit.Ulimit)
-	flUlimits := opts.NewUlimitOpt(&ulimits)
+	ulimits := make(map[string]*units.Ulimit)
+	flUlimits := runconfigopts.NewUlimitOpt(&ulimits)
 	cmd.Var(flUlimits, []string{"-ulimit"}, "Ulimit options")
 
 	cmd.Require(flag.Exact, 1)
diff --git a/api/server/router/build/build_routes.go b/api/server/router/build/build_routes.go
index 9744033f76..4222004c07 100644
--- a/api/server/router/build/build_routes.go
+++ b/api/server/router/build/build_routes.go
@@ -23,9 +23,9 @@ import (
 	"github.com/docker/docker/pkg/ioutils"
 	"github.com/docker/docker/pkg/progress"
 	"github.com/docker/docker/pkg/streamformatter"
-	"github.com/docker/docker/pkg/ulimit"
 	"github.com/docker/docker/reference"
 	"github.com/docker/docker/utils"
+	"github.com/docker/go-units"
 	"golang.org/x/net/context"
 )
 
@@ -151,7 +151,7 @@ func (br *buildRouter) postBuild(ctx context.Context, w http.ResponseWriter, r *
 		buildConfig.Isolation = i
 	}
 
-	var buildUlimits = []*ulimit.Ulimit{}
+	var buildUlimits = []*units.Ulimit{}
 	ulimitsJSON := r.FormValue("ulimits")
 	if ulimitsJSON != "" {
 		if err := json.NewDecoder(strings.NewReader(ulimitsJSON)).Decode(&buildUlimits); err != nil {
diff --git a/api/types/client.go b/api/types/client.go
index c588508e79..6501ec3120 100644
--- a/api/types/client.go
+++ b/api/types/client.go
@@ -7,7 +7,7 @@ import (
 
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/filters"
-	"github.com/docker/docker/pkg/ulimit"
+	"github.com/docker/go-units"
 )
 
 // ContainerAttachOptions holds parameters to attach to a container.
@@ -137,7 +137,7 @@ type ImageBuildOptions struct {
 	CgroupParent   string
 	ShmSize        string
 	Dockerfile     string
-	Ulimits        []*ulimit.Ulimit
+	Ulimits        []*units.Ulimit
 	BuildArgs      []string
 	AuthConfigs    map[string]AuthConfig
 	Context        io.Reader
diff --git a/api/types/container/host_config.go b/api/types/container/host_config.go
index e1d4ea4095..1e849bfa9f 100644
--- a/api/types/container/host_config.go
+++ b/api/types/container/host_config.go
@@ -5,8 +5,8 @@ import (
 
 	"github.com/docker/docker/api/types/blkiodev"
 	"github.com/docker/docker/api/types/strslice"
-	"github.com/docker/docker/pkg/ulimit"
 	"github.com/docker/go-connections/nat"
+	"github.com/docker/go-units"
 )
 
 // NetworkMode represents the container network stack.
@@ -170,18 +170,18 @@ type Resources struct {
 	BlkioDeviceWriteBps  []*blkiodev.ThrottleDevice
 	BlkioDeviceReadIOps  []*blkiodev.ThrottleDevice
 	BlkioDeviceWriteIOps []*blkiodev.ThrottleDevice
-	CPUPeriod            int64            `json:"CpuPeriod"` // CPU CFS (Completely Fair Scheduler) period
-	CPUQuota             int64            `json:"CpuQuota"`  // CPU CFS (Completely Fair Scheduler) quota
-	CpusetCpus           string           // CpusetCpus 0-2, 0,1
-	CpusetMems           string           // CpusetMems 0-2, 0,1
-	Devices              []DeviceMapping  // List of devices to map inside the container
-	KernelMemory         int64            // Kernel memory limit (in bytes)
-	Memory               int64            // Memory limit (in bytes)
-	MemoryReservation    int64            // Memory soft limit (in bytes)
-	MemorySwap           int64            // Total memory usage (memory + swap); set `-1` to disable swap
-	MemorySwappiness     *int64           // Tuning container memory swappiness behaviour
-	OomKillDisable       bool             // Whether to disable OOM Killer or not
-	Ulimits              []*ulimit.Ulimit // List of ulimits to be set in the container
+	CPUPeriod            int64           `json:"CpuPeriod"` // CPU CFS (Completely Fair Scheduler) period
+	CPUQuota             int64           `json:"CpuQuota"`  // CPU CFS (Completely Fair Scheduler) quota
+	CpusetCpus           string          // CpusetCpus 0-2, 0,1
+	CpusetMems           string          // CpusetMems 0-2, 0,1
+	Devices              []DeviceMapping // List of devices to map inside the container
+	KernelMemory         int64           // Kernel memory limit (in bytes)
+	Memory               int64           // Memory limit (in bytes)
+	MemoryReservation    int64           // Memory soft limit (in bytes)
+	MemorySwap           int64           // Total memory usage (memory + swap); set `-1` to disable swap
+	MemorySwappiness     *int64          // Tuning container memory swappiness behaviour
+	OomKillDisable       bool            // Whether to disable OOM Killer or not
+	Ulimits              []*units.Ulimit // List of ulimits to be set in the container
 }
 
 // HostConfig the non-portable Config structure of a container.
diff --git a/builder/dockerfile/builder.go b/builder/dockerfile/builder.go
index 0db8c41880..102918da9a 100644
--- a/builder/dockerfile/builder.go
+++ b/builder/dockerfile/builder.go
@@ -14,7 +14,7 @@ import (
 	"github.com/docker/docker/builder"
 	"github.com/docker/docker/builder/dockerfile/parser"
 	"github.com/docker/docker/pkg/stringid"
-	"github.com/docker/docker/pkg/ulimit"
+	"github.com/docker/go-units"
 )
 
 var validCommitCommands = map[string]bool{
@@ -66,7 +66,7 @@ type Config struct {
 	CPUSetCpus   string
 	CPUSetMems   string
 	CgroupParent string
-	Ulimits      []*ulimit.Ulimit
+	Ulimits      []*units.Ulimit
 }
 
 // Builder is a Dockerfile builder
diff --git a/daemon/config_unix.go b/daemon/config_unix.go
index 8772aad977..06439ef50b 100644
--- a/daemon/config_unix.go
+++ b/daemon/config_unix.go
@@ -7,7 +7,8 @@ import (
 
 	"github.com/docker/docker/opts"
 	flag "github.com/docker/docker/pkg/mflag"
-	"github.com/docker/docker/pkg/ulimit"
+	runconfigopts "github.com/docker/docker/runconfig/opts"
+	"github.com/docker/go-units"
 )
 
 var (
@@ -27,7 +28,7 @@ type Config struct {
 	EnableSelinuxSupport bool
 	RemappedRoot         string
 	SocketGroup          string
-	Ulimits              map[string]*ulimit.Ulimit
+	Ulimits              map[string]*units.Ulimit
 }
 
 // bridgeConfig stores all the bridge driver specific
@@ -59,8 +60,8 @@ func (config *Config) InstallFlags(cmd *flag.FlagSet, usageFn func(string) strin
 	// Then platform-specific install flags
 	cmd.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, usageFn("Enable selinux support"))
 	cmd.StringVar(&config.SocketGroup, []string{"G", "-group"}, "docker", usageFn("Group for the unix socket"))
-	config.Ulimits = make(map[string]*ulimit.Ulimit)
-	cmd.Var(opts.NewUlimitOpt(&config.Ulimits), []string{"-default-ulimit"}, usageFn("Set default ulimits for containers"))
+	config.Ulimits = make(map[string]*units.Ulimit)
+	cmd.Var(runconfigopts.NewUlimitOpt(&config.Ulimits), []string{"-default-ulimit"}, usageFn("Set default ulimits for containers"))
 	cmd.BoolVar(&config.Bridge.EnableIPTables, []string{"#iptables", "-iptables"}, true, usageFn("Enable addition of iptables rules"))
 	cmd.BoolVar(&config.Bridge.EnableIPForward, []string{"#ip-forward", "-ip-forward"}, true, usageFn("Enable net.ipv4.ip_forward"))
 	cmd.BoolVar(&config.Bridge.EnableIPMasq, []string{"-ip-masq"}, true, usageFn("Enable IP masquerading"))
diff --git a/daemon/container_operations_unix.go b/daemon/container_operations_unix.go
index 6c4f17704a..bdc80357ef 100644
--- a/daemon/container_operations_unix.go
+++ b/daemon/container_operations_unix.go
@@ -24,8 +24,8 @@ import (
 	"github.com/docker/docker/pkg/idtools"
 	"github.com/docker/docker/pkg/mount"
 	"github.com/docker/docker/pkg/stringid"
-	"github.com/docker/docker/pkg/ulimit"
 	"github.com/docker/docker/runconfig"
+	"github.com/docker/go-units"
 	"github.com/docker/libnetwork"
 	"github.com/docker/libnetwork/netlabel"
 	"github.com/docker/libnetwork/options"
@@ -146,11 +146,11 @@ func (daemon *Daemon) populateCommand(c *container.Container, env []string) erro
 
 	autoCreatedDevices := mergeDevices(configs.DefaultAutoCreatedDevices, userSpecifiedDevices)
 
-	var rlimits []*ulimit.Rlimit
+	var rlimits []*units.Rlimit
 	ulimits := c.HostConfig.Ulimits
 
 	// Merge ulimits with daemon defaults
-	ulIdx := make(map[string]*ulimit.Ulimit)
+	ulIdx := make(map[string]*units.Ulimit)
 	for _, ul := range ulimits {
 		ulIdx[ul.Name] = ul
 	}
diff --git a/daemon/execdriver/driver_unix.go b/daemon/execdriver/driver_unix.go
index dae5d916c1..168b818cc8 100644
--- a/daemon/execdriver/driver_unix.go
+++ b/daemon/execdriver/driver_unix.go
@@ -14,7 +14,7 @@ import (
 	"github.com/docker/docker/daemon/execdriver/native/template"
 	"github.com/docker/docker/pkg/idtools"
 	"github.com/docker/docker/pkg/mount"
-	"github.com/docker/docker/pkg/ulimit"
+	"github.com/docker/go-units"
 	"github.com/opencontainers/runc/libcontainer"
 	"github.com/opencontainers/runc/libcontainer/cgroups/fs"
 	"github.com/opencontainers/runc/libcontainer/configs"
@@ -48,7 +48,7 @@ type Resources struct {
 	CpusetCpus                   string                     `json:"cpuset_cpus"`
 	CpusetMems                   string                     `json:"cpuset_mems"`
 	CPUPeriod                    int64                      `json:"cpu_period"`
-	Rlimits                      []*ulimit.Rlimit           `json:"rlimits"`
+	Rlimits                      []*units.Rlimit            `json:"rlimits"`
 	OomKillDisable               bool                       `json:"oom_kill_disable"`
 	MemorySwappiness             int64                      `json:"memory_swappiness"`
 }
diff --git a/hack/vendor.sh b/hack/vendor.sh
index 4b7a171111..f57884eaa2 100755
--- a/hack/vendor.sh
+++ b/hack/vendor.sh
@@ -20,7 +20,7 @@ clone git github.com/mistifyio/go-zfs v2.1.1
 clone git github.com/tchap/go-patricia v2.1.0
 clone git github.com/vdemeester/shakers 3c10293ce22b900c27acad7b28656196fcc2f73b
 clone git golang.org/x/net 47990a1ba55743e6ef1affd3a14e5bac8553615d https://github.com/golang/net.git
-clone git github.com/docker/go-units v0.2.0
+clone git github.com/docker/go-units 651fc226e7441360384da338d0fd37f2440ffbe3
 clone git github.com/docker/go-connections 4e42727957c146776e5de9cec8c39e4059ed9f20
 
 #get libnetwork packages
diff --git a/integration-cli/docker_cli_build_unix_test.go b/integration-cli/docker_cli_build_unix_test.go
index 599845a2ce..644d91bca5 100644
--- a/integration-cli/docker_cli_build_unix_test.go
+++ b/integration-cli/docker_cli_build_unix_test.go
@@ -7,7 +7,7 @@ import (
 	"strings"
 
 	"github.com/docker/docker/pkg/integration/checker"
-	"github.com/docker/docker/pkg/ulimit"
+	"github.com/docker/go-units"
 	"github.com/go-check/check"
 )
 
@@ -33,7 +33,7 @@ func (s *DockerSuite) TestBuildResourceConstraintsAreUsed(c *check.C) {
 		CpusetMems string
 		CPUShares  int64
 		CPUQuota   int64
-		Ulimits    []*ulimit.Ulimit
+		Ulimits    []*units.Ulimit
 	}
 
 	cfg, err := inspectFieldJSON(cID, "HostConfig")
diff --git a/pkg/ulimit/ulimit_test.go b/pkg/ulimit/ulimit_test.go
deleted file mode 100644
index 1e8c881f51..0000000000
--- a/pkg/ulimit/ulimit_test.go
+++ /dev/null
@@ -1,55 +0,0 @@
-package ulimit
-
-import "testing"
-
-func TestParseValid(t *testing.T) {
-	u1 := &Ulimit{"nofile", 1024, 512}
-	if u2, _ := Parse("nofile=512:1024"); *u1 != *u2 {
-		t.Fatalf("expected %q, but got %q", u1, u2)
-	}
-}
-
-func TestParseInvalidLimitType(t *testing.T) {
-	if _, err := Parse("notarealtype=1024:1024"); err == nil {
-		t.Fatalf("expected error on invalid ulimit type")
-	}
-}
-
-func TestParseBadFormat(t *testing.T) {
-	if _, err := Parse("nofile:1024:1024"); err == nil {
-		t.Fatal("expected error on bad syntax")
-	}
-
-	if _, err := Parse("nofile"); err == nil {
-		t.Fatal("expected error on bad syntax")
-	}
-
-	if _, err := Parse("nofile="); err == nil {
-		t.Fatal("expected error on bad syntax")
-	}
-	if _, err := Parse("nofile=:"); err == nil {
-		t.Fatal("expected error on bad syntax")
-	}
-	if _, err := Parse("nofile=:1024"); err == nil {
-		t.Fatal("expected error on bad syntax")
-	}
-}
-
-func TestParseHardLessThanSoft(t *testing.T) {
-	if _, err := Parse("nofile:1024:1"); err == nil {
-		t.Fatal("expected error on hard limit less than soft limit")
-	}
-}
-
-func TestParseInvalidValueType(t *testing.T) {
-	if _, err := Parse("nofile:asdf"); err == nil {
-		t.Fatal("expected error on bad value type")
-	}
-}
-
-func TestStringOutput(t *testing.T) {
-	u := &Ulimit{"nofile", 1024, 512}
-	if s := u.String(); s != "nofile=512:1024" {
-		t.Fatal("expected String to return nofile=512:1024, but got", s)
-	}
-}
diff --git a/opts/ulimit.go b/runconfig/opts/ulimit.go
similarity index 71%
rename from opts/ulimit.go
rename to runconfig/opts/ulimit.go
index b41f475bd5..0aec91f170 100644
--- a/opts/ulimit.go
+++ b/runconfig/opts/ulimit.go
@@ -3,25 +3,25 @@ package opts
 import (
 	"fmt"
 
-	"github.com/docker/docker/pkg/ulimit"
+	"github.com/docker/go-units"
 )
 
 // UlimitOpt defines a map of Ulimits
 type UlimitOpt struct {
-	values *map[string]*ulimit.Ulimit
+	values *map[string]*units.Ulimit
 }
 
 // NewUlimitOpt creates a new UlimitOpt
-func NewUlimitOpt(ref *map[string]*ulimit.Ulimit) *UlimitOpt {
+func NewUlimitOpt(ref *map[string]*units.Ulimit) *UlimitOpt {
 	if ref == nil {
-		ref = &map[string]*ulimit.Ulimit{}
+		ref = &map[string]*units.Ulimit{}
 	}
 	return &UlimitOpt{ref}
 }
 
 // Set validates a Ulimit and sets its name as a key in UlimitOpt
 func (o *UlimitOpt) Set(val string) error {
-	l, err := ulimit.Parse(val)
+	l, err := units.ParseUlimit(val)
 	if err != nil {
 		return err
 	}
@@ -42,8 +42,8 @@ func (o *UlimitOpt) String() string {
 }
 
 // GetList returns a slice of pointers to Ulimits.
-func (o *UlimitOpt) GetList() []*ulimit.Ulimit {
-	var ulimits []*ulimit.Ulimit
+func (o *UlimitOpt) GetList() []*units.Ulimit {
+	var ulimits []*units.Ulimit
 	for _, v := range *o.values {
 		ulimits = append(ulimits, v)
 	}
diff --git a/opts/ulimit_test.go b/runconfig/opts/ulimit_test.go
similarity index 92%
rename from opts/ulimit_test.go
rename to runconfig/opts/ulimit_test.go
index 3845d1ec18..0aa3facdfb 100644
--- a/opts/ulimit_test.go
+++ b/runconfig/opts/ulimit_test.go
@@ -3,11 +3,11 @@ package opts
 import (
 	"testing"
 
-	"github.com/docker/docker/pkg/ulimit"
+	"github.com/docker/go-units"
 )
 
 func TestUlimitOpt(t *testing.T) {
-	ulimitMap := map[string]*ulimit.Ulimit{
+	ulimitMap := map[string]*units.Ulimit{
 		"nofile": {"nofile", 1024, 512},
 	}
 
diff --git a/runconfig/parse.go b/runconfig/parse.go
index 72a3cdff35..3cf874ea99 100644
--- a/runconfig/parse.go
+++ b/runconfig/parse.go
@@ -64,7 +64,7 @@ func Parse(cmd *flag.FlagSet, args []string) (*container.Config, *container.Host
 		flLabels            = opts.NewListOpts(opts.ValidateEnv)
 		flDevices           = opts.NewListOpts(ValidateDevice)
 
-		flUlimits = opts.NewUlimitOpt(nil)
+		flUlimits = runconfigopts.NewUlimitOpt(nil)
 
 		flPublish           = opts.NewListOpts(nil)
 		flExpose            = opts.NewListOpts(nil)
diff --git a/vendor/src/github.com/docker/go-units/circle.yml b/vendor/src/github.com/docker/go-units/circle.yml
new file mode 100644
index 0000000000..9043b35478
--- /dev/null
+++ b/vendor/src/github.com/docker/go-units/circle.yml
@@ -0,0 +1,11 @@
+dependencies:
+  post:
+    # install golint
+    - go get github.com/golang/lint/golint
+
+test:
+  pre:
+    # run analysis before tests
+    - go vet ./...
+    - test -z "$(golint ./... | tee /dev/stderr)"
+    - test -z "$(gofmt -s -l . | tee /dev/stderr)"
diff --git a/pkg/ulimit/ulimit.go b/vendor/src/github.com/docker/go-units/ulimit.go
similarity index 91%
rename from pkg/ulimit/ulimit.go
rename to vendor/src/github.com/docker/go-units/ulimit.go
index 8fb0d804de..f0a7be2921 100644
--- a/pkg/ulimit/ulimit.go
+++ b/vendor/src/github.com/docker/go-units/ulimit.go
@@ -1,6 +1,4 @@
-// Package ulimit provides structure and helper function to parse and represent
-// resource limits (Rlimit and Ulimit, its human friendly version).
-package ulimit
+package units
 
 import (
 	"fmt"
@@ -64,8 +62,8 @@ var ulimitNameMapping = map[string]int{
 	"stack":      rlimitStack,
 }
 
-// Parse parses and returns a Ulimit from the specified string.
-func Parse(val string) (*Ulimit, error) {
+// ParseUlimit parses and returns a Ulimit from the specified string.
+func ParseUlimit(val string) (*Ulimit, error) {
 	parts := strings.SplitN(val, "=", 2)
 	if len(parts) != 2 {
 		return nil, fmt.Errorf("invalid ulimit argument: %s", val)