diff --git a/build.xml b/build.xml
index 6b21e56c..675bc5e5 100644
--- a/build.xml
+++ b/build.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project name="PHP OAuth 2.0 Server" default="build">
-	<target name="build" depends="prepare,lint,phploc,pdepend,phpmd-ci,phpcs-ci,phpcpd,phpunit,phpdox,phpcb"/>
+
+	<target name="build" depends="prepare,lint,phploc,pdepend,phpmd-ci,phpcs-ci,phpcpd,composer,phpunit,phpdox,phpcb"/>
 	
 	<target name="build-parallel" depends="prepare,lint,tools-parallel,phpcb"/>
 	
-	<target name="minimal" depends="prepare,lint,phploc,pdepend,phpcpd,phpunit,phpdox,phpcb" />
+	<target name="minimal" depends="prepare,lint,phploc,pdepend,phpcpd,composer,phpunit,phpdox,phpcb" />
 	
 	<target name="tools-parallel" description="Run tools in parallel">
 		<parallel threadCount="2">
@@ -112,6 +113,13 @@
 		</exec>
 	</target>
 
+	<target name="composer" description="Install Composer requirements">
+		<exec executable="composer.phar" failonerror="true">
+			<arg value="install" />
+			<arg value="--dev" />
+		</exec>
+	</target>
+
 	<target name="phpunit" description="Run unit tests with PHPUnit">
 		<exec executable="${basedir}/vendor/bin/phpunit" failonerror="true">
 			<arg value="--configuration" />