diff --git a/src/Composer/InstalledVersions.php b/src/Composer/InstalledVersions.php
index bd5647882..96d85a7c5 100644
--- a/src/Composer/InstalledVersions.php
+++ b/src/Composer/InstalledVersions.php
@@ -53,13 +53,14 @@ class InstalledVersions
      * This also returns true if the package name is provided or replaced by another package
      *
      * @param  string $packageName
+     * @param  bool   $includeDevRequirements
      * @return bool
      */
-    public static function isInstalled($packageName)
+    public static function isInstalled($packageName, $includeDevRequirements = true)
     {
         foreach (self::getInstalled() as $installed) {
             if (isset($installed['versions'][$packageName])) {
-                return true;
+                return $includeDevRequirements || empty($installed['versions'][$packageName]['dev-requirement']);
             }
         }
 
@@ -73,10 +74,9 @@ class InstalledVersions
      *
      *   Composer\InstalledVersions::satisfies(new VersionParser, 'foo/bar', '^2.3')
      *
-     * @param VersionParser $parser      Install composer/semver to have access to this class and functionality
-     * @param string        $packageName
-     * @param string|null   $constraint  A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package
-     *
+     * @param  VersionParser $parser      Install composer/semver to have access to this class and functionality
+     * @param  string        $packageName
+     * @param  string|null   $constraint  A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package
      * @return bool
      */
     public static function satisfies(VersionParser $parser, $packageName, $constraint)
diff --git a/src/Composer/Repository/FilesystemRepository.php b/src/Composer/Repository/FilesystemRepository.php
index 55d3feb5d..878e9981d 100644
--- a/src/Composer/Repository/FilesystemRepository.php
+++ b/src/Composer/Repository/FilesystemRepository.php
@@ -125,7 +125,7 @@ class FilesystemRepository extends WritableArrayRepository
 
 
         if ($this->dumpVersions) {
-            $versions = $this->generateInstalledVersions($installationManager);
+            $versions = $this->generateInstalledVersions($installationManager, $devMode);
 
             $fs->filePutContentsIfModified($repoDir.'/installed.php', '<?php return '.var_export($versions, true).';'."\n");
             $installedVersionsClass = file_get_contents(__DIR__.'/../InstalledVersions.php');
@@ -142,12 +142,13 @@ class FilesystemRepository extends WritableArrayRepository
     /**
      * @return ?array
      */
-    private function generateInstalledVersions(InstallationManager $installationManager)
+    private function generateInstalledVersions(InstallationManager $installationManager, $devMode)
     {
         if (!$this->dumpVersions) {
             return null;
         }
 
+        $devPackages = array_flip($this->devPackageNames);
         $versions = array('versions' => array());
         $packages = $this->getPackages();
         $packages[] = $rootPackage = $this->rootPackage;
@@ -175,20 +176,28 @@ class FilesystemRepository extends WritableArrayRepository
                 'version' => $package->getVersion(),
                 'aliases' => array(),
                 'reference' => $reference,
+                'dev-requirement' => isset($devPackages[$package->getName()]),
             );
             if ($package instanceof RootPackageInterface) {
                 $versions['root'] = $versions['versions'][$package->getName()];
                 $versions['root']['name'] = $package->getName();
+                $versions['root']['dev-requirement'] = $devMode;
             }
         }
 
         // add provided/replaced packages
         foreach ($packages as $package) {
+            $isDevPackage = isset($devPackages[$package->getName()]);
             foreach ($package->getReplaces() as $replace) {
                 // exclude platform replaces as when they are really there we can not check for their presence
                 if (PlatformRepository::isPlatformPackage($replace->getTarget())) {
                     continue;
                 }
+                if (!isset($versions['versions'][$replace->getTarget()]['dev-requirement'])) {
+                    $versions['versions'][$replace->getTarget()]['dev-requirement'] = $isDevPackage;
+                } elseif (!$isDevPackage) {
+                    $versions['versions'][$replace->getTarget()]['dev-requirement'] = false;
+                }
                 $replaced = $replace->getPrettyConstraint();
                 if ($replaced === 'self.version') {
                     $replaced = $package->getPrettyVersion();
@@ -202,6 +211,11 @@ class FilesystemRepository extends WritableArrayRepository
                 if (PlatformRepository::isPlatformPackage($provide->getTarget())) {
                     continue;
                 }
+                if (!isset($versions['versions'][$provide->getTarget()]['dev-requirement'])) {
+                    $versions['versions'][$provide->getTarget()]['dev-requirement'] = $isDevPackage;
+                } elseif (!$isDevPackage) {
+                    $versions['versions'][$provide->getTarget()]['dev-requirement'] = false;
+                }
                 $provided = $provide->getPrettyConstraint();
                 if ($provided === 'self.version') {
                     $provided = $package->getPrettyVersion();
diff --git a/tests/Composer/Test/InstalledVersionsTest.php b/tests/Composer/Test/InstalledVersionsTest.php
index 2d8799727..5bb3bf481 100644
--- a/tests/Composer/Test/InstalledVersionsTest.php
+++ b/tests/Composer/Test/InstalledVersionsTest.php
@@ -54,9 +54,9 @@ class InstalledVersionsTest extends TestCase
     /**
      * @dataProvider isInstalledProvider
      */
-    public function testIsInstalled($expected, $name, $constraint = null)
+    public function testIsInstalled($expected, $name, $includeDevRequirements = true)
     {
-        $this->assertSame($expected, InstalledVersions::isInstalled($name));
+        $this->assertSame($expected, InstalledVersions::isInstalled($name, $includeDevRequirements));
     }
 
     public static function isInstalledProvider()
@@ -65,10 +65,10 @@ class InstalledVersionsTest extends TestCase
             array(true,  'foo/impl'),
             array(true,  'foo/replaced'),
             array(true,  'c/c'),
+            array(false, 'c/c', false),
             array(true,  '__root__'),
             array(true,  'b/replacer'),
             array(false, 'not/there'),
-            array(false, 'not/there', '^1.0'),
         );
     }
 
@@ -191,6 +191,7 @@ class InstalledVersionsTest extends TestCase
                 '1.10.x-dev',
             ),
             'reference' => 'sourceref-by-default',
+            'dev-requirement' => true,
             'name' => '__root__',
         ), InstalledVersions::getRootPackage());
     }
diff --git a/tests/Composer/Test/Repository/FilesystemRepositoryTest.php b/tests/Composer/Test/Repository/FilesystemRepositoryTest.php
index 7279f175b..72e7adfa3 100644
--- a/tests/Composer/Test/Repository/FilesystemRepositoryTest.php
+++ b/tests/Composer/Test/Repository/FilesystemRepositoryTest.php
@@ -130,6 +130,7 @@ class FilesystemRepositoryTest extends TestCase
         $rootPackage = $this->getAliasPackage($rootPackage, '1.10.x-dev');
 
         $repository = new FilesystemRepository($json, true, $rootPackage);
+        $repository->setDevPackageNames(array('c/c'));
         $pkg = $this->getPackage('a/provider', '1.1');
         $this->configureLinks($pkg, array('provide' => array('foo/impl' => '^1.1', 'foo/impl2' => '2.0')));
         $pkg->setDistReference('distref-as-no-source');
diff --git a/tests/Composer/Test/Repository/Fixtures/installed.php b/tests/Composer/Test/Repository/Fixtures/installed.php
index 38a4f7192..fb17f8d69 100644
--- a/tests/Composer/Test/Repository/Fixtures/installed.php
+++ b/tests/Composer/Test/Repository/Fixtures/installed.php
@@ -18,6 +18,7 @@ return array(
             '1.10.x-dev',
         ),
         'reference' => 'sourceref-by-default',
+        'dev-requirement' => true,
         'name' => '__root__',
     ),
     'versions' => array(
@@ -28,12 +29,14 @@ return array(
                 '1.10.x-dev',
             ),
             'reference' => 'sourceref-by-default',
+            'dev-requirement' => false,
         ),
         'a/provider' => array(
             'pretty_version' => '1.1',
             'version' => '1.1.0.0',
             'aliases' => array(),
             'reference' => 'distref-as-no-source',
+            'dev-requirement' => false,
         ),
         'a/provider2' => array(
             'pretty_version' => '1.2',
@@ -42,20 +45,24 @@ return array(
               '1.4',
             ),
             'reference' => 'distref-as-installed-from-dist',
+            'dev-requirement' => false,
         ),
         'b/replacer' => array(
             'pretty_version' => '2.2',
             'version' => '2.2.0.0',
             'aliases' => array(),
             'reference' => null,
+            'dev-requirement' => false,
         ),
         'c/c' => array(
             'pretty_version' => '3.0',
             'version' => '3.0.0.0',
             'aliases' => array(),
             'reference' => null,
+            'dev-requirement' => true,
         ),
         'foo/impl' => array(
+            'dev-requirement' => false,
             'provided' => array(
                 '^1.1',
                 '1.2',
@@ -64,6 +71,7 @@ return array(
             ),
         ),
         'foo/impl2' => array(
+            'dev-requirement' => false,
             'provided' => array(
                 '2.0',
             ),
@@ -72,6 +80,7 @@ return array(
             ),
         ),
         'foo/replaced' => array(
+            'dev-requirement' => false,
             'replaced' => array(
                 '^3.0',
             ),
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index aaf431f0f..95bbc39d9 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -17,4 +17,5 @@ if (function_exists('date_default_timezone_set') && function_exists('date_defaul
 }
 
 require __DIR__.'/../src/bootstrap.php';
+require __DIR__.'/../src/Composer/InstalledVersions.php';
 require __DIR__.'/Composer/Test/TestCase.php';