diff --git a/README.md b/README.md
index 659d95db..1b105024 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,20 @@ $ npm-check-updates -u
 package.json upgraded
 ```
 
+Check only devDependencies packages for updates:
+```
+$ npm-check-updates -d
+
+"mocha" can be updated to version 1.12.1
+```
+
+Check only production dependencies packages for updates:
+```
+$ npm-check-updates -p
+
+"request" can be updated from 2.20.x to 2.27.x (Installed: 2.20.0, Latest: 2.27.1)
+```
+
 Now simply perform the usual "npm update" and verify that your project
 works with the upgraded versions.
 
@@ -80,6 +94,8 @@ $ npm-check-updates -f /^((?!gulp-).)*$/
 History
 --------------
 
+- 1.5
+  - Add prod and dev only options
 - 1.4
   - Add package filtering option
   - Add mocha as npm test script
diff --git a/lib/npm-check-updates.js b/lib/npm-check-updates.js
index 6711488d..f4ecf20f 100644
--- a/lib/npm-check-updates.js
+++ b/lib/npm-check-updates.js
@@ -79,7 +79,9 @@ function analyzeProjectDependencies(packageFile) {
     async.series({
         current: function (callback) {
             vm.getCurrentDependencies(packageFile, {
-                filter: program.filter
+                filter: program.filter,
+                prod: program.prod,
+                dev: program.dev
             }, callback);
         },
         installed: function (callback) {
@@ -138,6 +140,8 @@ program
     .option('-g, --global', 'check global packages instead of in the current project')
     .option('-s, --silent', "don't output anything")
     .option('-u, --upgrade', 'upgrade package.json dependencies to match latest versions (maintaining existing policy)')
+    .option('-p, --prod', 'process only dependencies')
+    .option('-d, --dev', 'process only devDependencies')
     .parse(process.argv);
 
 if (program.global && program.upgrade) {
diff --git a/lib/versionmanager.js b/lib/versionmanager.js
index 43760b74..c12c70f5 100644
--- a/lib/versionmanager.js
+++ b/lib/versionmanager.js
@@ -170,7 +170,15 @@ function getCurrentDependencies(packageFile, options, callback) {
             return callback(new Error('package.json does not contain valid json'))
         }
 
-        var allDependencies = mergeObjects(json.dependencies, json.devDependencies)
+        var allDependencies = {};
+
+        if (options.prod || !options.dev) {
+            allDependencies = mergeObjects(allDependencies, json.dependencies);
+        }
+
+        if (options.dev || (!options.prod && !options.dev)) {
+            allDependencies = mergeObjects(allDependencies, json.devDependencies);
+        }
 
         if(options.filter) {
 
diff --git a/package.json b/package.json
index ae595593..51e750a8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "npm-check-updates",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "author": "Tomas Junnonen <tomas1@gmail.com>",
   "description": "Find newer versions of dependencies than what your package.json allows",
   "keywords": [