diff --git a/contrib/rasterizertask/build.bat b/contrib/rasterizertask/build.bat
index d0c56f7..acafc99 100755
--- a/contrib/rasterizertask/build.bat
+++ b/contrib/rasterizertask/build.bat
@@ -37,7 +37,7 @@
 
 :: ----- Set up classpath ---------------------------------------------------
 
-SET CP="%JAVA_HOME%\lib\tools.jar";"%ANT_HOME%\lib\build\ant-1.6.5.jar";"%ANT_HOME%\lib\build\ant-launcher-1.6.5.jar";"%BATIK_HOME%\lib\build\crimson-1.1.3.jar"
+SET CP="%JAVA_HOME%\lib\tools.jar";"%ANT_HOME%\lib\build\ant-1.9.3.jar";"%ANT_HOME%\lib\build\ant-launcher-1.9.3.jar";"%BATIK_HOME%\lib\build\crimson-1.1.3.jar"
 SET CP=%CP%;%BATIK_HOME%\classes
 
 
diff --git a/contrib/rasterizertask/build.sh b/contrib/rasterizertask/build.sh
index 035b327..cb85c1f 100755
--- a/contrib/rasterizertask/build.sh
+++ b/contrib/rasterizertask/build.sh
@@ -50,7 +50,7 @@
 
 # ----- Set up classpath ---------------------------------------------------
 
-CP=$JAVA_HOME/lib/tools.jar:$ANT_HOME/lib/build/ant-1.6.5.jar:$ANT_HOME/lib/build/ant-launcher-1.6.5.jar:$BATIK_HOME/lib/build/crimson-1.1.3.jar
+CP=$JAVA_HOME/lib/tools.jar:$ANT_HOME/lib/build/ant-1.9.3.jar:$ANT_HOME/lib/build/ant-launcher-1.9.3.jar:$BATIK_HOME/lib/build/crimson-1.1.3.jar
 
 CP=$CP:$BATIK_HOME/classes