diff --git a/api/cmd/build/main.go b/api/cmd/build/main.go
index 842ea49520..1c545c66a8 100644
--- a/api/cmd/build/main.go
+++ b/api/cmd/build/main.go
@@ -28,6 +28,7 @@ func main() {
 	id := flag.String("id", "", "tag the build with this id")
 	push := flag.String("push", "", "push build to this prefix when done")
 	auth := flag.String("auth", "", "auth token for push")
+	noCache := flag.Bool("no-cache", false, "skip the docker cache")
 
 	flag.Parse()
 
@@ -78,7 +79,9 @@ func main() {
 		die(err)
 	}
 
-	errors := m.Build(app, dir)
+	cache := !*noCache
+
+	errors := m.Build(app, dir, cache)
 
 	if len(errors) > 0 {
 		die(errors[0])
diff --git a/api/controllers/builds.go b/api/controllers/builds.go
index 66d3f03703..4ab06add29 100644
--- a/api/controllers/builds.go
+++ b/api/controllers/builds.go
@@ -91,6 +91,8 @@ func BuildCreate(rw http.ResponseWriter, r *http.Request) error {
 		return err
 	}
 
+	cache := !(r.FormValue("cache") == "false")
+
 	if source != nil {
 		err = models.S3PutFile(resources["RegistryBucket"].Id, fmt.Sprintf("builds/%s.tgz", build.Id), source, false)
 
@@ -98,7 +100,7 @@ func BuildCreate(rw http.ResponseWriter, r *http.Request) error {
 			return err
 		}
 
-		go build.ExecuteLocal(source, ch)
+		go build.ExecuteLocal(source, cache, ch)
 
 		err = <-ch
 
@@ -110,7 +112,7 @@ func BuildCreate(rw http.ResponseWriter, r *http.Request) error {
 	}
 
 	if repo := r.FormValue("repo"); repo != "" {
-		go build.ExecuteRemote(repo, ch)
+		go build.ExecuteRemote(repo, cache, ch)
 
 		err = <-ch
 
diff --git a/api/manifest.yml b/api/manifest.yml
index ccfe7b1070..beb745dcaa 100644
--- a/api/manifest.yml
+++ b/api/manifest.yml
@@ -106,6 +106,11 @@ paths:
         type: string
         in: path
         required: true
+      - name: cache
+        description: set to false to avoid cache
+        type: boolean
+        in: formData
+        required: false
       - name: repo
         description: repository
         type: string
diff --git a/api/manifest/manifest.go b/api/manifest/manifest.go
index 448d0dab92..f2f148e0e5 100644
--- a/api/manifest/manifest.go
+++ b/api/manifest/manifest.go
@@ -136,26 +136,22 @@ func Read(dir string) (*Manifest, error) {
 	return &m, nil
 }
 
-func buildAsync(source, tag string, ch chan error) {
-	ch <- buildSync(source, tag)
-}
+func buildSync(source, tag string, cache bool) error {
+	args := []string{"build", "-t", tag}
 
-func buildSync(source, tag string) error {
-	return run("docker", "build", "-t", tag, source)
-}
+	if !cache {
+		args = append(args, "--no-cache")
+	}
 
-func pullAsync(image string, ch chan error) {
-	ch <- pullSync(image)
+	args = append(args, source)
+
+	return run("docker", args...)
 }
 
 func pullSync(image string) error {
 	return run("docker", "pull", image)
 }
 
-func pushAsync(local, remote string, ch chan error) {
-	ch <- pushSync(local, remote)
-}
-
 func pushSync(local, remote string) error {
 	err := run("docker", "tag", "-f", local, remote)
 
@@ -172,7 +168,7 @@ func pushSync(local, remote string) error {
 	return nil
 }
 
-func (m *Manifest) Build(app, dir string) []error {
+func (m *Manifest) Build(app, dir string, cache bool) []error {
 	builds := map[string]string{}
 	pulls := []string{}
 	tags := map[string]string{}
@@ -207,7 +203,7 @@ func (m *Manifest) Build(app, dir string) []error {
 	errors := []error{}
 
 	for source, tag := range builds {
-		err := buildSync(source, tag)
+		err := buildSync(source, tag, cache)
 
 		if err != nil {
 			return []error{err}
diff --git a/api/manifest/manifest_test.go b/api/manifest/manifest_test.go
index 75d9aa268c..afc6090996 100644
--- a/api/manifest/manifest_test.go
+++ b/api/manifest/manifest_test.go
@@ -226,7 +226,7 @@ func _assert(t *testing.T, cases Cases) {
 type runnerFn func()
 
 func testBuild(m *Manifest, app string) (string, string) {
-	return testRunner(m, app, func() { m.Build(app, ".") })
+	return testRunner(m, app, func() { m.Build(app, ".", true) })
 }
 
 func testRun(m *Manifest, app string) (string, string) {
diff --git a/api/models/build.go b/api/models/build.go
index d70d03af25..81a046fdde 100644
--- a/api/models/build.go
+++ b/api/models/build.go
@@ -144,7 +144,7 @@ func (b *Build) Cleanup() error {
 	return nil
 }
 
-func (b *Build) ExecuteLocal(r io.Reader, ch chan error) {
+func (b *Build) ExecuteLocal(r io.Reader, cache bool, ch chan error) {
 	b.Status = "building"
 	b.Save()
 
@@ -156,6 +156,10 @@ func (b *Build) ExecuteLocal(r io.Reader, ch chan error) {
 		args = append(args, "-auth", pw)
 	}
 
+	if !cache {
+		args = append(args, "-no-cache")
+	}
+
 	args = append(args, name, "-")
 
 	err := b.execute(args, r, ch)
@@ -169,7 +173,7 @@ func (b *Build) ExecuteLocal(r io.Reader, ch chan error) {
 	}
 }
 
-func (b *Build) ExecuteRemote(repo string, ch chan error) {
+func (b *Build) ExecuteRemote(repo string, cache bool, ch chan error) {
 	b.Status = "building"
 	b.Save()
 
@@ -181,6 +185,10 @@ func (b *Build) ExecuteRemote(repo string, ch chan error) {
 		args = append(args, "-auth", pw)
 	}
 
+	if !cache {
+		args = append(args, "-no-cache")
+	}
+
 	args = append(args, name)
 
 	parts := strings.Split(repo, "#")
diff --git a/client/builds.go b/client/builds.go
index 7f2c6a4ee3..fe982ec43c 100644
--- a/client/builds.go
+++ b/client/builds.go
@@ -32,14 +32,18 @@ func (c *Client) GetBuilds(app string) (Builds, error) {
 	return builds, nil
 }
 
-func (c *Client) CreateBuildSource(app string, source []byte) (*Build, error) {
+func (c *Client) CreateBuildSource(app string, source []byte, cache bool) (*Build, error) {
 	var build Build
 
 	files := map[string][]byte{
 		"source": source,
 	}
 
-	err := c.PostMultipart(fmt.Sprintf("/apps/%s/builds", app), files, &build)
+	params := map[string]string{
+		"cache": fmt.Sprintf("%t", cache),
+	}
+
+	err := c.PostMultipart(fmt.Sprintf("/apps/%s/builds", app), files, params, &build)
 
 	if err != nil {
 		return nil, err
@@ -48,7 +52,7 @@ func (c *Client) CreateBuildSource(app string, source []byte) (*Build, error) {
 	return &build, nil
 }
 
-func (c *Client) CreateBuildUrl(app string, url string) (*Build, error) {
+func (c *Client) CreateBuildUrl(app string, url string, cache bool) (*Build, error) {
 	var build Build
 
 	params := map[string]string{
diff --git a/client/client.go b/client/client.go
index 179006f373..2b9c706c50 100644
--- a/client/client.go
+++ b/client/client.go
@@ -129,7 +129,7 @@ func (c *Client) PostBody(path string, body io.Reader, out interface{}) error {
 	return nil
 }
 
-func (c *Client) PostMultipart(path string, files map[string][]byte, out interface{}) error {
+func (c *Client) PostMultipart(path string, files map[string][]byte, params Params, out interface{}) error {
 	err := c.versionCheck()
 
 	if err != nil {
@@ -152,12 +152,16 @@ func (c *Client) PostMultipart(path string, files map[string][]byte, out interfa
 		if err != nil {
 			return err
 		}
+	}
 
-		err = writer.Close()
+	for name, value := range params {
+		writer.WriteField(name, value)
+	}
 
-		if err != nil {
-			return err
-		}
+	err = writer.Close()
+
+	if err != nil {
+		return err
 	}
 
 	req, err := c.request("POST", path, body)
diff --git a/cmd/convox/builds.go b/cmd/convox/builds.go
index 1438626506..d0569496fe 100644
--- a/cmd/convox/builds.go
+++ b/cmd/convox/builds.go
@@ -19,7 +19,13 @@ func init() {
 		Description: "create a new build",
 		Usage:       "",
 		Action:      cmdBuildsCreate,
-		Flags:       []cli.Flag{appFlag},
+		Flags: []cli.Flag{
+			appFlag,
+			cli.BoolFlag{
+				Name:  "no-cache",
+				Usage: "Do not use Docker cache during build.",
+			},
+		},
 	})
 	stdcli.RegisterCommand(cli.Command{
 		Name:        "builds",
@@ -177,7 +183,9 @@ func executeBuildDir(c *cli.Context, dir string, app string) (string, error) {
 
 	fmt.Println("OK")
 
-	build, err := rackClient(c).CreateBuildSource(app, tar)
+	cache := !c.Bool("no-cache")
+
+	build, err := rackClient(c).CreateBuildSource(app, tar, cache)
 
 	if err != nil {
 		return "", err
@@ -203,7 +211,9 @@ func executeBuildDir(c *cli.Context, dir string, app string) (string, error) {
 }
 
 func executeBuildUrl(c *cli.Context, url string, app string) (string, error) {
-	build, err := rackClient(c).CreateBuildUrl(app, url)
+	cache := !c.Bool("no-cache")
+
+	build, err := rackClient(c).CreateBuildUrl(app, url, cache)
 
 	if err != nil {
 		return "", err
diff --git a/cmd/convox/deploy.go b/cmd/convox/deploy.go
index 7f05cbfd8a..a7763ac461 100644
--- a/cmd/convox/deploy.go
+++ b/cmd/convox/deploy.go
@@ -14,9 +14,10 @@ func init() {
 		Usage:       "<directory>",
 		Action:      cmdDeploy,
 		Flags: []cli.Flag{
-			cli.StringFlag{
-				Name:  "app",
-				Usage: "App name. Inferred from current directory if not specified.",
+			appFlag,
+			cli.BoolFlag{
+				Name:  "no-cache",
+				Usage: "Do not use Docker cache during build.",
 			},
 		},
 	})
diff --git a/cmd/convox/start.go b/cmd/convox/start.go
index ba1b4fe742..b50ef5a82f 100644
--- a/cmd/convox/start.go
+++ b/cmd/convox/start.go
@@ -110,7 +110,7 @@ func cmdStart(c *cli.Context) {
 		return
 	}
 
-	errors := m.Build(app, dir)
+	errors := m.Build(app, dir, true)
 
 	if len(errors) != 0 {
 		fmt.Printf("errors: %+v\n", errors)