diff --git a/pkg/commands/dependency.go b/pkg/commands/dependency.go
index 6e71ee7..81a440d 100644
--- a/pkg/commands/dependency.go
+++ b/pkg/commands/dependency.go
@@ -6,13 +6,14 @@ import (
 )
 
 type Dependency struct {
-	Name          string
-	Version       string
-	LinkPath      string
-	Present       bool
-	PackageConfig *PackageConfig
-	Path          string
-	Kind          string
+	Name              string
+	Constraint        string
+	LinkPath          string
+	Present           bool
+	PackageConfig     *PackageConfig
+	Path              string
+	Kind              string
+	ParentPackagePath string
 }
 
 func (d *Dependency) Linked() bool {
@@ -26,3 +27,24 @@ func (d *Dependency) ConfigPath() string {
 func (d *Dependency) ID() string {
 	return fmt.Sprintf("dep:%s|kind:%s", d.Path, d.Kind)
 }
+
+func KindKeyMap() map[string]string {
+	return map[string]string{
+		"prod":     "dependencies",
+		"dev":      "devDependencies",
+		"optional": "optionalDependencies",
+		"peer":     "peerDependencies",
+	}
+}
+
+func KindFlagMap() map[string]string {
+	return map[string]string{
+		"prod":     "--save-prod",
+		"dev":      "--save-dev",
+		"optional": "--save-optional",
+	}
+}
+
+func (d *Dependency) kindKey() string {
+	return KindKeyMap()[d.Kind]
+}
diff --git a/pkg/commands/npm_manager.go b/pkg/commands/npm_manager.go
index 7ddcbac..90991df 100644
--- a/pkg/commands/npm_manager.go
+++ b/pkg/commands/npm_manager.go
@@ -1,6 +1,7 @@
 package commands
 
 import (
+	"fmt"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -126,6 +127,7 @@ func (m *NpmManager) GetDeps(currentPkg *Package) ([]*Dependency, error) {
 	for _, dep := range deps {
 		depPath := filepath.Join(currentPkg.Path, "node_modules", dep.Name)
 		dep.Path = depPath
+		dep.ParentPackagePath = currentPkg.Path
 		fileInfo, err := os.Lstat(depPath)
 		if err != nil {
 			// must not be present in node modules
@@ -174,3 +176,17 @@ func (m *NpmManager) RemoveScript(scriptName string, packageJsonPath string) err
 
 	return ioutil.WriteFile(packageJsonPath, updatedConfig, 0644)
 }
+
+func (m *NpmManager) EditDepConstraint(dep *Dependency, packageJsonPath string, constraint string) error {
+	config, err := ioutil.ReadFile(packageJsonPath)
+	if err != nil {
+		return err
+	}
+
+	updatedConfig, err := jsonparser.Set(config, []byte(fmt.Sprintf("\"%s\"", constraint)), dep.kindKey(), dep.Name)
+	if err != nil {
+		return err
+	}
+
+	return ioutil.WriteFile(packageJsonPath, updatedConfig, 0644)
+}
diff --git a/pkg/commands/package.go b/pkg/commands/package.go
index 2f30918..7aca089 100644
--- a/pkg/commands/package.go
+++ b/pkg/commands/package.go
@@ -114,9 +114,9 @@ func (p *Package) SortedDependencies() []*Dependency {
 		depsForKind := make([]*Dependency, 0, len(mapping.depMap))
 		for name, constraint := range mapping.depMap {
 			depsForKind = append(depsForKind, &Dependency{
-				Name:    name,
-				Version: constraint,
-				Kind:    mapping.kind,
+				Name:       name,
+				Constraint: constraint,
+				Kind:       mapping.kind,
 			})
 		}
 		sort.Slice(depsForKind, func(i, j int) bool { return strings.Compare(depsForKind[i].Name, depsForKind[j].Name) < 0 })
diff --git a/pkg/gui/dependencies_panel.go b/pkg/gui/dependencies_panel.go
index b3666c7..fce1f65 100644
--- a/pkg/gui/dependencies_panel.go
+++ b/pkg/gui/dependencies_panel.go
@@ -2,6 +2,7 @@ package gui
 
 import (
 	"fmt"
+	"path/filepath"
 
 	"github.com/fatih/color"
 	"github.com/go-errors/errors"
@@ -133,29 +134,18 @@ func (gui *Gui) wrappedDependencyHandler(f func(*commands.Dependency) error) fun
 }
 
 func (gui *Gui) handleChangeDepType(dep *commands.Dependency) error {
-	installProd := fmt.Sprintf("npm install --save-prod %s", dep.Name)
-	installDev := fmt.Sprintf("npm install --save-dev %s", dep.Name)
-	installOptional := fmt.Sprintf("npm install --save-optional %s", dep.Name)
-
-	menuItems := []*menuItem{
-		{
-			displayStrings: []string{"dependencies", utils.ColoredString(installProd, color.FgYellow)},
-			onPress: func() error {
-				return gui.newMainCommand(installProd, dep.ID())
-			},
-		},
-		{
-			displayStrings: []string{"devDependencies", utils.ColoredString(installDev, color.FgYellow)},
-			onPress: func() error {
-				return gui.newMainCommand(installDev, dep.ID())
-			},
-		},
-		{
-			displayStrings: []string{"optionalDependencies", utils.ColoredString(installOptional, color.FgYellow)},
+	kindKeyMap := commands.KindKeyMap()
+	kindFlagMap := commands.KindFlagMap()
+	menuItems := make([]*menuItem, 0, len(commands.KindKeyMap()))
+	for kind := range kindFlagMap {
+		kind := kind
+		cmdStr := fmt.Sprintf("npm install %s %s", kindFlagMap[kind], dep.Name)
+		menuItems = append(menuItems, &menuItem{
+			displayStrings: []string{kindKeyMap[kind], utils.ColoredString(cmdStr, color.FgYellow)},
 			onPress: func() error {
-				return gui.newMainCommand(installOptional, dep.ID())
+				return gui.newMainCommand(cmdStr, dep.ID())
 			},
-		},
+		})
 	}
 
 	return gui.createMenu("Change dependency type", menuItems, createMenuOptions{showCancel: true})
@@ -171,30 +161,27 @@ func (gui *Gui) handleAddDependency(dep *commands.Dependency) error {
 		})
 	}
 
-	installProd := "npm install --save-prod"
-	installDev := "npm install --save-dev"
-	installOptional := "npm install --save-optional"
-
-	menuItems := []*menuItem{
-		{
-			displayStrings: []string{"dependencies", utils.ColoredString(installProd, color.FgYellow)},
-			onPress: func() error {
-				return prompt(installProd)
-			},
-		},
-		{
-			displayStrings: []string{"devDependencies", utils.ColoredString(installDev, color.FgYellow)},
-			onPress: func() error {
-				return prompt(installDev)
-			},
-		},
-		{
-			displayStrings: []string{"optionalDependencies", utils.ColoredString(installOptional, color.FgYellow)},
+	kindKeyMap := commands.KindKeyMap()
+	kindFlagMap := commands.KindFlagMap()
+	menuItems := make([]*menuItem, 0, len(commands.KindKeyMap()))
+	for kind := range kindFlagMap {
+		kind := kind
+		cmdStr := fmt.Sprintf("npm install %s", kindFlagMap[kind])
+		menuItems = append(menuItems, &menuItem{
+			displayStrings: []string{kindKeyMap[kind], utils.ColoredString(cmdStr, color.FgYellow)},
 			onPress: func() error {
-				return prompt(installOptional)
+				return prompt(cmdStr)
 			},
-		},
+		})
 	}
 
 	return gui.createMenu("Install dependency to:", menuItems, createMenuOptions{showCancel: true})
 }
+
+func (gui *Gui) handleEditDepConstraint(dep *commands.Dependency) error {
+	return gui.createPromptPanel(gui.getDepsView(), "Edit constraint", dep.Constraint, func(input string) error {
+
+		packageConfigPath := filepath.Join(dep.ParentPackagePath, "package.json")
+		return gui.NpmManager.EditDepConstraint(dep, packageConfigPath, input)
+	})
+}
diff --git a/pkg/gui/keybindings.go b/pkg/gui/keybindings.go
index 46c31d2..70365dd 100644
--- a/pkg/gui/keybindings.go
+++ b/pkg/gui/keybindings.go
@@ -469,6 +469,12 @@ func (gui *Gui) GetInitialKeybindings() []*Binding {
 			Handler:     gui.wrappedDependencyHandler(gui.handleAddDependency),
 			Description: fmt.Sprintf("%s new dependency", utils.ColoredString("`npm install`", color.FgYellow)),
 		},
+		{
+			ViewName:    "deps",
+			Key:         gui.getKey("universal.edit"),
+			Handler:     gui.wrappedDependencyHandler(gui.handleEditDepConstraint),
+			Description: "edit dependency constraint",
+		},
 	}
 
 	for _, viewName := range []string{"status", "packages", "deps", "scripts", "menu"} {
diff --git a/pkg/gui/presentation/dependencies.go b/pkg/gui/presentation/dependencies.go
index 7f7f446..ec605d3 100644
--- a/pkg/gui/presentation/dependencies.go
+++ b/pkg/gui/presentation/dependencies.go
@@ -27,7 +27,7 @@ func getDepDisplayStrings(d *commands.Dependency, commandView *commands.CommandV
 	if d.Linked() {
 		localVersionCol = utils.ColoredString("linked: "+d.LinkPath, color.FgCyan)
 	} else if d.PackageConfig != nil {
-		status, ok := semverStatus(d.PackageConfig.Version, d.Version)
+		status, ok := semverStatus(d.PackageConfig.Version, d.Constraint)
 		if ok {
 			localVersionCol = utils.ColoredString(d.PackageConfig.Version, color.FgGreen)
 		} else {
@@ -44,7 +44,7 @@ func getDepDisplayStrings(d *commands.Dependency, commandView *commands.CommandV
 		"optional": theme.DefaultTextColor,
 	}
 
-	return []string{commandView.Status(), d.Name, utils.ColoredString(d.Kind, kindColorMap[d.Kind]), utils.ColoredString(d.Version, color.FgMagenta), localVersionCol}
+	return []string{commandView.Status(), d.Name, utils.ColoredString(d.Kind, kindColorMap[d.Kind]), utils.ColoredString(d.Constraint, color.FgMagenta), localVersionCol}
 }
 
 func statusMap() map[int]string {