diff --git a/vendor/github.com/hashicorp/atlas-go/archive/archive.go b/vendor/github.com/hashicorp/atlas-go/archive/archive.go
index d9232b4f0..0a025b21f 100644
--- a/vendor/github.com/hashicorp/atlas-go/archive/archive.go
+++ b/vendor/github.com/hashicorp/atlas-go/archive/archive.go
@@ -50,6 +50,12 @@ func (o *ArchiveOpts) IsSet() bool {
 	return len(o.Exclude) > 0 || len(o.Include) > 0 || o.VCS
 }
 
+// Constants related to setting special values for Extra in ArchiveOpts.
+const (
+	// ExtraEntryDir just creates the Extra key as a directory entry.
+	ExtraEntryDir = ""
+)
+
 // CreateArchive takes the given path and ArchiveOpts and archives it.
 //
 // The archive will be fully completed and put into a temporary file.
@@ -419,7 +425,29 @@ func copyConcreteEntry(
 }
 
 func copyExtras(w *tar.Writer, extra map[string]string) error {
+	var tmpDir string
+	defer func() {
+		if tmpDir != "" {
+			os.RemoveAll(tmpDir)
+		}
+	}()
+
 	for entry, path := range extra {
+		// If the path is empty, then we set it to a generic empty directory
+		if path == "" {
+			// If tmpDir is still empty, then we create an empty dir
+			if tmpDir == "" {
+				td, err := ioutil.TempDir("", "archive")
+				if err != nil {
+					return err
+				}
+
+				tmpDir = td
+			}
+
+			path = tmpDir
+		}
+
 		info, err := os.Stat(path)
 		if err != nil {
 			return err
diff --git a/vendor/github.com/hashicorp/atlas-go/v1/client.go b/vendor/github.com/hashicorp/atlas-go/v1/client.go
index 2e61e064b..a38f97eba 100644
--- a/vendor/github.com/hashicorp/atlas-go/v1/client.go
+++ b/vendor/github.com/hashicorp/atlas-go/v1/client.go
@@ -34,6 +34,11 @@ const (
 	// load trusted certs from a directory
 	atlasCAPathEnvVar = "ATLAS_CAPATH"
 
+	// atlasTLSNoVerifyEnvVar disables TLS verification, similar to curl -k
+	// This defaults to false (verify) and will change to true (skip
+	// verification) with any non-empty value
+	atlasTLSNoVerifyEnvVar = "ATLAS_TLS_NOVERIFY"
+
 	// atlasTokenHeader is the header key used for authenticating with Atlas
 	atlasTokenHeader = "X-Atlas-Token"
 )
@@ -70,6 +75,10 @@ type Client struct {
 
 	// HTTPClient is the underlying http client with which to make requests.
 	HTTPClient *http.Client
+
+	// DefaultHeaders is a set of headers that will be added to every request.
+	// This minimally includes the atlas user-agent string.
+	DefaultHeader http.Header
 }
 
 // DefaultClient returns a client that connects to the Atlas API.
@@ -108,10 +117,13 @@ func NewClient(urlString string) (*Client, error) {
 	}
 
 	client := &Client{
-		URL:   parsedURL,
-		Token: token,
+		URL:           parsedURL,
+		Token:         token,
+		DefaultHeader: make(http.Header),
 	}
 
+	client.DefaultHeader.Set("User-Agent", userAgent)
+
 	if err := client.init(); err != nil {
 		return nil, err
 	}
@@ -123,6 +135,9 @@ func NewClient(urlString string) (*Client, error) {
 func (c *Client) init() error {
 	c.HTTPClient = cleanhttp.DefaultClient()
 	tlsConfig := &tls.Config{}
+	if os.Getenv(atlasTLSNoVerifyEnvVar) != "" {
+		tlsConfig.InsecureSkipVerify = true
+	}
 	err := rootcerts.ConfigureTLS(tlsConfig, &rootcerts.Config{
 		CAFile: os.Getenv(atlasCAFileEnvVar),
 		CAPath: os.Getenv(atlasCAPathEnvVar),
@@ -227,10 +242,12 @@ func (c *Client) rawRequest(verb string, u *url.URL, ro *RequestOptions) (*http.
 		return nil, err
 	}
 
-	// Set the User-Agent
-	request.Header.Set("User-Agent", userAgent)
+	// set our default headers first
+	for k, v := range c.DefaultHeader {
+		request.Header[k] = v
+	}
 
-	// Add any headers (auth will be here if set)
+	// Add any request headers (auth will be here if set)
 	for k, v := range ro.Headers {
 		request.Header.Add(k, v)
 	}
diff --git a/vendor/github.com/hashicorp/atlas-go/v1/terraform.go b/vendor/github.com/hashicorp/atlas-go/v1/terraform.go
index adeba2a11..debd1d319 100644
--- a/vendor/github.com/hashicorp/atlas-go/v1/terraform.go
+++ b/vendor/github.com/hashicorp/atlas-go/v1/terraform.go
@@ -14,7 +14,16 @@ type TerraformConfigVersion struct {
 	Version   int
 	Remotes   []string          `json:"remotes"`
 	Metadata  map[string]string `json:"metadata"`
-	Variables map[string]string `json:"variables"`
+	Variables map[string]string `json:"variables,omitempty"`
+	TFVars    []TFVar           `json:"tf_vars"`
+}
+
+// TFVar is used to serialize a single Terraform variable sent by the
+// manager as a collection of Variables in a Job payload.
+type TFVar struct {
+	Key   string `json:"key"`
+	Value string `json:"value"`
+	IsHCL bool   `json:"hcl"`
 }
 
 // TerraformConfigLatest returns the latest Terraform configuration version.
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 068f827c9..b572fe0dc 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -339,16 +339,18 @@
 			"revision": "2a60fc2ba6c19de80291203597d752e9ba58e4c0"
 		},
 		{
-			"checksumSHA1": "PugKTD0dIXDRlyjtzeimgjT7+ZM=",
+			"checksumSHA1": "FUiF2WLrih0JdHsUTMMDz3DRokw=",
 			"comment": "20141209094003-92-g95fa852",
 			"path": "github.com/hashicorp/atlas-go/archive",
-			"revision": "95fa852edca41c06c4ce526af4bb7dec4eaad434"
+			"revision": "a32da833807becb5b150e125c859e01b707e74ca",
+			"revisionTime": "2016-10-12T21:43:57Z"
 		},
 		{
-			"checksumSHA1": "OylSuPrtMLP6yvPKTx60ptqQO6I=",
+			"checksumSHA1": "aD7uHoVmfg2T9mpnVZ5dWe6rGtY=",
 			"comment": "20141209094003-92-g95fa852",
 			"path": "github.com/hashicorp/atlas-go/v1",
-			"revision": "95fa852edca41c06c4ce526af4bb7dec4eaad434"
+			"revision": "a32da833807becb5b150e125c859e01b707e74ca",
+			"revisionTime": "2016-10-12T21:43:57Z"
 		},
 		{
 			"checksumSHA1": "cdOCt0Yb+hdErz8NAQqayxPmRsY=",