diff --git a/build.xml b/build.xml
index fcb1916..f463343 100644
--- a/build.xml
+++ b/build.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project name="gitlist" default="build">
+    <property name="vendordir" value="${basedir}/vendor/bin" />
     <target name="build" depends="prepare,lint,phploc,pdepend,phpmd,phpcpd,phpunit,phpcs" />
     <target name="build-package" depends="prepare-package,package" />
 
@@ -39,7 +40,7 @@
     </target>
 
     <target name="phploc" description="Measure project size using PHPLOC">
-        <exec executable="phploc">
+        <exec executable="${vendordir}/phploc">
             <arg value="--log-csv" />
             <arg value="${basedir}/build/logs/phploc.csv" />
             <arg path="${basedir}/src" />
@@ -47,7 +48,7 @@
     </target>
 
     <target name="pdepend" description="Calculate software metrics using PHP_Depend">
-        <exec executable="pdepend">
+        <exec executable="${vendordir}/pdepend">
             <arg value="--jdepend-xml=${basedir}/build/logs/jdepend.xml" />
             <arg value="--jdepend-chart=${basedir}/build/pdepend/dependencies.svg" />
             <arg value="--overview-pyramid=${basedir}/build/pdepend/overview-pyramid.svg" />
@@ -57,7 +58,7 @@
     </target>
 
     <target name="phpmd" description="Perform project mess detection using PHPMD creating a log file for the continuous integration server">
-        <exec executable="phpmd">
+        <exec executable="${vendordir}/phpmd">
             <arg path="${basedir}/src" />
             <arg value="xml" />
             <arg value="codesize,design,unusedcode,naming" />
@@ -67,7 +68,7 @@
     </target>
 
     <target name="phpcpd" description="Find duplicate code using PHPCPD">
-        <exec executable="phpcpd">
+        <exec executable="${vendordir}/phpcpd">
             <arg value="--log-pmd" />
             <arg value="${basedir}/build/logs/pmd-cpd.xml" />
             <arg path="${basedir}/src" />
@@ -75,11 +76,11 @@
     </target>
 
     <target name="phpunit" description="Run unit tests with PHPUnit">
-        <exec executable="phpunit" failonerror="true"/>
+        <exec executable="${vendordir}/phpunit" failonerror="true"/>
     </target>
 
     <target name="phpcs" description="Find coding standard violations using PHP_CodeSniffer creating a log file for the continuous integration server">
-        <exec executable="phpcs" output="/dev/null">
+        <exec executable="${vendordir}/phpcs" output="/dev/null">
             <arg value="--report=checkstyle" />
             <arg value="--report-file=${basedir}/build/logs/checkstyle.xml" />
             <arg value="--standard=PSR2" />