diff --git a/pmd/tools/shell/generate_release.sh b/pmd/tools/shell/generate_release.sh
index e10813964b..41faf79934 100755
--- a/pmd/tools/shell/generate_release.sh
+++ b/pmd/tools/shell/generate_release.sh
@@ -42,12 +42,12 @@ fi
 export MAVEN_OPTS="-Xmx512m -Xms192m"
 
 #making sure saxon9.jar is available as it's not in standard repositories
-mvn install:install-file -Dfile=lib/saxon9.jar -DgroupId=net.sf.saxon -DartifactId=saxon -Dversion=9.1.0.2b -Dpackaging=jar
+mvn -q install:install-file -Dfile=lib/saxon9.jar -DgroupId=net.sf.saxon -DartifactId=saxon -Dversion=9.1.0.2b -Dpackaging=jar
 
 #making sure correct rhino jar is available
-mvn install:install-file -Dfile=lib/js-cvs-11282008.jar -DgroupId=rhino -DartifactId=js -Dversion=cvs-11282008 -Dpackaging=jar
+mvn -q install:install-file -Dfile=lib/js-cvs-11282008.jar -DgroupId=rhino -DartifactId=js -Dversion=cvs-11282008 -Dpackaging=jar
 
-mvn clean site
+mvn -q clean site
 
 cd etc