diff --git a/go.sum b/go.sum
index 30b60bdb2..ed958e4bc 100644
--- a/go.sum
+++ b/go.sum
@@ -197,6 +197,8 @@ github.com/hashicorp/go-rootcerts v1.0.0 h1:Rqb66Oo1X/eSV1x66xbDccZjhJigjg0+e82k
 github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa6eBIzfwKfwNnHU=
 github.com/hashicorp/go-safetemp v1.0.0 h1:2HR189eFNrjHQyENnQMMpCiBAsRxzbTMIgBhEyExpmo=
 github.com/hashicorp/go-safetemp v1.0.0/go.mod h1:oaerMy3BhqiTbVye6QuFhFtIceqFoDHxNAB65b+Rj1I=
+github.com/hashicorp/go-slug v0.4.0 h1:YSz3afoEZZJVVB46NITf0+opd2cHpaYJ1XSojOyP0x8=
+github.com/hashicorp/go-slug v0.4.0/go.mod h1:I5tq5Lv0E2xcNXNkmx7BSfzi1PsJ2cNjs3cC3LwyhK8=
 github.com/hashicorp/go-sockaddr v0.0.0-20180320115054-6d291a969b86 h1:7YOlAIO2YWnJZkQp7B5eFykaIY7C9JndqAFQyVV5BhM=
 github.com/hashicorp/go-sockaddr v0.0.0-20180320115054-6d291a969b86/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerXegt+ozgdvDeDU=
 github.com/hashicorp/go-tfe v0.3.25 h1:4rPk/9rSYuRoujKk5FsxSvtC/AjJCQphLS/57yr6wUM=
diff --git a/vendor/github.com/hashicorp/go-slug/README.md b/vendor/github.com/hashicorp/go-slug/README.md
index 64fabbd24..5c9b7c584 100644
--- a/vendor/github.com/hashicorp/go-slug/README.md
+++ b/vendor/github.com/hashicorp/go-slug/README.md
@@ -31,7 +31,7 @@ package main
 
 import (
 	"bytes"
-	"ioutil"
+	"io/ioutil"
 	"log"
 	"os"
 
@@ -40,11 +40,11 @@ import (
 
 func main() {
 	// First create a buffer for storing the slug.
-	slug := bytes.NewBuffer(nil)
+	buf := bytes.NewBuffer(nil)
 
 	// Then call the Pack function with a directory path containing the
 	// configuration files and an io.Writer to write the slug to.
-	if _, err := Pack("testdata/archive-dir", slug); err != nil {
+	if _, err := slug.Pack("testdata/archive-dir", buf, false); err != nil {
 		log.Fatal(err)
 	}
 
@@ -58,7 +58,7 @@ func main() {
 	// Unpacking a slug is done by calling the Unpack function with an
 	// io.Reader to read the slug from and a directory path of an existing
 	// directory to store the unpacked configuration files.
-	if err := Unpack(slug, dst); err != nil {
+	if err := slug.Unpack(buf, dst); err != nil {
 		log.Fatal(err)
 	}
 }
diff --git a/vendor/github.com/hashicorp/go-slug/slug.go b/vendor/github.com/hashicorp/go-slug/slug.go
index 29b9919eb..059d26773 100644
--- a/vendor/github.com/hashicorp/go-slug/slug.go
+++ b/vendor/github.com/hashicorp/go-slug/slug.go
@@ -154,7 +154,6 @@ func packWalkFn(root, src, dst string, tarW *tar.Writer, meta *Meta, dereference
 			// If the target is a directory we can recurse into the target
 			// directory by calling the packWalkFn with updated arguments.
 			if info.IsDir() {
-				// I'm wondering if this section is unnecessary?
 				return filepath.Walk(target, packWalkFn(root, target, path, tarW, meta, dereference, ignoreRules))
 			}
 
diff --git a/vendor/github.com/hashicorp/go-slug/terraformignore.go b/vendor/github.com/hashicorp/go-slug/terraformignore.go
new file mode 100644
index 000000000..864dc9285
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-slug/terraformignore.go
@@ -0,0 +1,225 @@
+package slug
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"text/scanner"
+)
+
+func parseIgnoreFile(rootPath string) []rule {
+	// Look for .terraformignore at our root path/src
+	file, err := os.Open(filepath.Join(rootPath, ".terraformignore"))
+	defer file.Close()
+
+	// If there's any kind of file error, punt and use the default ignore patterns
+	if err != nil {
+		// Only show the error debug if an error *other* than IsNotExist
+		if !os.IsNotExist(err) {
+			fmt.Fprintf(os.Stderr, "Error reading .terraformignore, default exclusions will apply: %v \n", err)
+		}
+		return defaultExclusions
+	}
+	return readRules(file)
+}
+
+func readRules(input io.Reader) []rule {
+	rules := defaultExclusions
+	scanner := bufio.NewScanner(input)
+	scanner.Split(bufio.ScanLines)
+
+	for scanner.Scan() {
+		pattern := scanner.Text()
+		// Ignore blank lines
+		if len(pattern) == 0 {
+			continue
+		}
+		// Trim spaces
+		pattern = strings.TrimSpace(pattern)
+		// Ignore comments
+		if pattern[0] == '#' {
+			continue
+		}
+		// New rule structure
+		rule := rule{}
+		// Exclusions
+		if pattern[0] == '!' {
+			rule.excluded = true
+			pattern = pattern[1:]
+		}
+		// If it is a directory, add ** so we catch descendants
+		if pattern[len(pattern)-1] == os.PathSeparator {
+			pattern = pattern + "**"
+		}
+		// If it starts with /, it is absolute
+		if pattern[0] == os.PathSeparator {
+			pattern = pattern[1:]
+		} else {
+			// Otherwise prepend **/
+			pattern = "**" + string(os.PathSeparator) + pattern
+		}
+		rule.val = pattern
+		rule.dirs = strings.Split(pattern, string(os.PathSeparator))
+		rules = append(rules, rule)
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error reading .terraformignore, default exclusions will apply: %v \n", err)
+		return defaultExclusions
+	}
+	return rules
+}
+
+func matchIgnoreRule(path string, rules []rule) bool {
+	matched := false
+	path = filepath.FromSlash(path)
+	for _, rule := range rules {
+		match, _ := rule.match(path)
+
+		if match {
+			matched = !rule.excluded
+		}
+	}
+
+	if matched {
+		debug(true, path, "Skipping excluded path:", path)
+	}
+
+	return matched
+}
+
+type rule struct {
+	val      string         // the value of the rule itself
+	excluded bool           // ! is present, an exclusion rule
+	dirs     []string       // directories of the rule
+	regex    *regexp.Regexp // regular expression to match for the rule
+}
+
+func (r *rule) match(path string) (bool, error) {
+	if r.regex == nil {
+		if err := r.compile(); err != nil {
+			return false, filepath.ErrBadPattern
+		}
+	}
+
+	b := r.regex.MatchString(path)
+	debug(false, path, path, r.regex, b)
+	return b, nil
+}
+
+func (r *rule) compile() error {
+	regStr := "^"
+	pattern := r.val
+	// Go through the pattern and convert it to a regexp.
+	// Use a scanner to support utf-8 chars.
+	var scan scanner.Scanner
+	scan.Init(strings.NewReader(pattern))
+
+	sl := string(os.PathSeparator)
+	escSL := sl
+	if sl == `\` {
+		escSL += `\`
+	}
+
+	for scan.Peek() != scanner.EOF {
+		ch := scan.Next()
+		if ch == '*' {
+			if scan.Peek() == '*' {
+				// is some flavor of "**"
+				scan.Next()
+
+				// Treat **/ as ** so eat the "/"
+				if string(scan.Peek()) == sl {
+					scan.Next()
+				}
+
+				if scan.Peek() == scanner.EOF {
+					// is "**EOF" - to align with .gitignore just accept all
+					regStr += ".*"
+				} else {
+					// is "**"
+					// Note that this allows for any # of /'s (even 0) because
+					// the .* will eat everything, even /'s
+					regStr += "(.*" + escSL + ")?"
+				}
+			} else {
+				// is "*" so map it to anything but "/"
+				regStr += "[^" + escSL + "]*"
+			}
+		} else if ch == '?' {
+			// "?" is any char except "/"
+			regStr += "[^" + escSL + "]"
+		} else if ch == '.' || ch == '$' {
+			// Escape some regexp special chars that have no meaning
+			// in golang's filepath.Match
+			regStr += `\` + string(ch)
+		} else if ch == '\\' {
+			// escape next char. Note that a trailing \ in the pattern
+			// will be left alone (but need to escape it)
+			if sl == `\` {
+				// On windows map "\" to "\\", meaning an escaped backslash,
+				// and then just continue because filepath.Match on
+				// Windows doesn't allow escaping at all
+				regStr += escSL
+				continue
+			}
+			if scan.Peek() != scanner.EOF {
+				regStr += `\` + string(scan.Next())
+			} else {
+				regStr += `\`
+			}
+		} else {
+			regStr += string(ch)
+		}
+	}
+
+	regStr += "$"
+	re, err := regexp.Compile(regStr)
+	if err != nil {
+		return err
+	}
+
+	r.regex = re
+	return nil
+}
+
+/*
+	Default rules as they would appear in .terraformignore:
+	.git/
+	.terraform/
+	!.terraform/modules/
+*/
+
+var defaultExclusions = []rule{
+	{
+		val:      "**/.git/**",
+		excluded: false,
+	},
+	{
+		val:      "**/.terraform/**",
+		excluded: false,
+	},
+	{
+		val:      "**/.terraform/modules/**",
+		excluded: true,
+	},
+}
+
+func debug(printAll bool, path string, message ...interface{}) {
+	logLevel := os.Getenv("TF_IGNORE") == "trace"
+	debugPath := os.Getenv("TF_IGNORE_DEBUG")
+	isPath := debugPath != ""
+	if isPath {
+		isPath = strings.Contains(path, debugPath)
+	}
+
+	if logLevel {
+		if printAll || isPath {
+			fmt.Println(message...)
+		}
+	}
+}
diff --git a/vendor/github.com/hashicorp/go-tfe/go.mod b/vendor/github.com/hashicorp/go-tfe/go.mod
index 33cc556b1..8bb29b1d9 100644
--- a/vendor/github.com/hashicorp/go-tfe/go.mod
+++ b/vendor/github.com/hashicorp/go-tfe/go.mod
@@ -5,7 +5,7 @@ require (
 	github.com/google/go-querystring v1.0.0
 	github.com/hashicorp/go-cleanhttp v0.5.0
 	github.com/hashicorp/go-retryablehttp v0.5.2
-	github.com/hashicorp/go-slug v0.3.1-0.20191014160156-9121920affb1
+	github.com/hashicorp/go-slug v0.4.0
 	github.com/hashicorp/go-uuid v1.0.1
 	github.com/stretchr/testify v1.3.0
 	github.com/svanharmelen/jsonapi v0.0.0-20180618144545-0c0828c3f16d
diff --git a/vendor/github.com/hashicorp/go-tfe/go.sum b/vendor/github.com/hashicorp/go-tfe/go.sum
index 5d77ba3e7..c1e8ef94b 100644
--- a/vendor/github.com/hashicorp/go-tfe/go.sum
+++ b/vendor/github.com/hashicorp/go-tfe/go.sum
@@ -8,12 +8,8 @@ github.com/hashicorp/go-cleanhttp v0.5.0 h1:wvCrVc9TjDls6+YGAF2hAifE1E5U1+b4tH6K
 github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
 github.com/hashicorp/go-retryablehttp v0.5.2 h1:AoISa4P4IsW0/m4T6St8Yw38gTl5GtBAgfkhYh1xAz4=
 github.com/hashicorp/go-retryablehttp v0.5.2/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
-github.com/hashicorp/go-slug v0.3.1-0.20191009194302-70074d64c6a1 h1:MY27QJoTm9u5o8KmpruodvlYUFUCcrIjGaH0TIqiDAk=
-github.com/hashicorp/go-slug v0.3.1-0.20191009194302-70074d64c6a1/go.mod h1:I5tq5Lv0E2xcNXNkmx7BSfzi1PsJ2cNjs3cC3LwyhK8=
-github.com/hashicorp/go-slug v0.3.1-0.20191010205338-b03503a77720 h1:TgaHYe8odauiIiJ/vHC/CdKNUBf3CUErDlmgPcRpdSc=
-github.com/hashicorp/go-slug v0.3.1-0.20191010205338-b03503a77720/go.mod h1:I5tq5Lv0E2xcNXNkmx7BSfzi1PsJ2cNjs3cC3LwyhK8=
-github.com/hashicorp/go-slug v0.3.1-0.20191014160156-9121920affb1 h1:HOXYrgAVqLyWolTJqE7NktkqoQY0IGY3PJ+YKvbFJs4=
-github.com/hashicorp/go-slug v0.3.1-0.20191014160156-9121920affb1/go.mod h1:I5tq5Lv0E2xcNXNkmx7BSfzi1PsJ2cNjs3cC3LwyhK8=
+github.com/hashicorp/go-slug v0.4.0 h1:YSz3afoEZZJVVB46NITf0+opd2cHpaYJ1XSojOyP0x8=
+github.com/hashicorp/go-slug v0.4.0/go.mod h1:I5tq5Lv0E2xcNXNkmx7BSfzi1PsJ2cNjs3cC3LwyhK8=
 github.com/hashicorp/go-uuid v1.0.1 h1:fv1ep09latC32wFoVwnqcnKJGnMSdBanPczbHAYm1BE=
 github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
diff --git a/vendor/github.com/hashicorp/go-version/constraint.go b/vendor/github.com/hashicorp/go-version/constraint.go
index b24e0660d..d05575961 100644
--- a/vendor/github.com/hashicorp/go-version/constraint.go
+++ b/vendor/github.com/hashicorp/go-version/constraint.go
@@ -59,6 +59,7 @@ func NewConstraint(v string) (Constraints, error) {
 		if err != nil {
 			return nil, err
 		}
+
 		result[i] = c
 	}
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index d6e492d2e..7fd3a516b 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -314,9 +314,9 @@ github.com/hashicorp/go-retryablehttp
 github.com/hashicorp/go-rootcerts
 # github.com/hashicorp/go-safetemp v1.0.0
 github.com/hashicorp/go-safetemp
-# github.com/hashicorp/go-slug v0.3.1-0.20191014160156-9121920affb1
+# github.com/hashicorp/go-slug v0.4.0
 github.com/hashicorp/go-slug
-# github.com/hashicorp/go-tfe v0.3.25-0.20191014160435-c612f0723085
+# github.com/hashicorp/go-tfe v0.3.25
 github.com/hashicorp/go-tfe
 # github.com/hashicorp/go-uuid v1.0.1
 github.com/hashicorp/go-uuid