diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27eaacc67d38..db9890bdacf8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### [1.8.3] 2019-01-30
+
+  * Fixed regression when executing partial updates
+
 ### [1.8.2] 2019-01-29
 
   * Fixed invalid deprecation warning for ext-pdo_mysql and similar
diff --git a/src/Composer/Composer.php b/src/Composer/Composer.php
index a3972f44fc85..9378b67d45a9 100644
--- a/src/Composer/Composer.php
+++ b/src/Composer/Composer.php
@@ -29,9 +29,9 @@
  */
 class Composer
 {
-    const VERSION = '@package_version@';
-    const BRANCH_ALIAS_VERSION = '@package_branch_alias_version@';
-    const RELEASE_DATE = '@release_date@';
+    const VERSION = '1.8.3';
+    const BRANCH_ALIAS_VERSION = '';
+    const RELEASE_DATE = '2019-01-30 08:31:33';
 
     /**
      * @var Package\RootPackageInterface
diff --git a/src/Composer/Installer.php b/src/Composer/Installer.php
index f38086611471..8573f3695ec9 100644
--- a/src/Composer/Installer.php
+++ b/src/Composer/Installer.php
@@ -1317,6 +1317,7 @@ private function whitelistUpdateDependencies($localOrLockRepo, array $rootRequir
 
         foreach ($this->updateWhitelist as $packageName => $void) {
             $packageQueue = new \SplQueue;
+            $nameMatchesRequiredPackage = false;
 
             $depPackages = $pool->whatProvides($packageName);
             $matchesByPattern = array();