diff --git a/app/AppKernel.php b/app/AppKernel.php
index 4aed8a0334..6285de337d 100644
--- a/app/AppKernel.php
+++ b/app/AppKernel.php
@@ -11,7 +11,7 @@ public function registerBundles()
             new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
             new Symfony\Bundle\SecurityBundle\SecurityBundle(),
             new Symfony\Bundle\TwigBundle\TwigBundle(),
-            new Symfony\Bundle\ZendBundle\ZendBundle(),
+            new Symfony\Bundle\MonologBundle\MonologBundle(),
             new Symfony\Bundle\SwiftmailerBundle\SwiftmailerBundle(),
             new Symfony\Bundle\DoctrineBundle\DoctrineBundle(),
             new Symfony\Bundle\AsseticBundle\AsseticBundle(),
diff --git a/app/autoload.php b/app/autoload.php
index 37044954ad..d16cd7ec3b 100644
--- a/app/autoload.php
+++ b/app/autoload.php
@@ -10,7 +10,7 @@
     'Doctrine\\Common' => __DIR__.'/../vendor/doctrine-common/lib',
     'Doctrine\\DBAL'   => __DIR__.'/../vendor/doctrine-dbal/lib',
     'Doctrine'         => __DIR__.'/../vendor/doctrine/lib',
-    'Zend\\Log'        => __DIR__.'/../vendor/zend-log',
+    'Monolog'          => __DIR__.'/../vendor/monolog/src',
     'Assetic'          => __DIR__.'/../vendor/assetic/src',
     'Acme'             => __DIR__.'/../src',
 ));
diff --git a/app/config/config_dev.yml b/app/config/config_dev.yml
index ed41e77e36..7599e922f4 100644
--- a/app/config/config_dev.yml
+++ b/app/config/config_dev.yml
@@ -9,10 +9,12 @@ web_profiler:
     toolbar: true
     intercept_redirects: false
 
-zend:
-    logger:
-        priority: debug
-        path:     %kernel.logs_dir%/%kernel.environment%.log
+monolog:
+    handlers:
+        main:
+            type:  stream
+            path:  %kernel.logs_dir%/%kernel.environment%.log
+            level: debug
 
 assetic:
     use_controller: true
diff --git a/app/config/config_prod.yml b/app/config/config_prod.yml
index 8e0b6ff02b..37de15cd48 100644
--- a/app/config/config_prod.yml
+++ b/app/config/config_prod.yml
@@ -1,2 +1,13 @@
 imports:
     - { resource: config.yml }
+
+monolog:
+    handlers:
+        main:
+            type:         fingerscrossed
+            action_level: error
+            handler:      nested
+        nested:
+            type:  stream
+            path:  %kernel.logs_dir%/%kernel.environment%.log
+            level: debug
diff --git a/bin/build.sh b/bin/build.sh
index e99e6f03b4..769c3ccd19 100755
--- a/bin/build.sh
+++ b/bin/build.sh
@@ -78,6 +78,10 @@ cd $TARGET
 cd twig-extensions && rm -rf README doc phpunit.xml* test
 cd $TARGET
 
+# Monolog
+cd monolog && rm -rf README.markdown phpunit.xml* tests
+cd $TARGET
+
 # cleanup
 find . -name .git | xargs rm -rf -
 find . -name .gitignore | xargs rm -rf -
diff --git a/bin/vendors.sh b/bin/vendors.sh
index a741b65bd9..effe99a201 100755
--- a/bin/vendors.sh
+++ b/bin/vendors.sh
@@ -69,10 +69,8 @@ install_git twig git://github.com/fabpot/Twig.git
 # Twig Extensions
 install_git twig-extensions git://github.com/fabpot/Twig-extensions.git
 
-# Zend Framework Log
-mkdir -p zend-log/Zend
-cd zend-log/Zend
-install_git Log git://github.com/symfony/zend-log.git
+# Monolog
+install_git monolog git://github.com/Seldaek/monolog.git
 cd ../..
 
 # FrameworkExtraBundle