diff --git a/build.sh b/build.sh
index 942ed32..254e147 100755
--- a/build.sh
+++ b/build.sh
@@ -64,9 +64,9 @@ fi
 
 
 # Add the ant libraries to the classpath
-CLASSPATH="${CLASSPATH}:lib/ant-1.8.3.jar:lib/bsf-2.3.0.jar"
-CLASSPATH="${CLASSPATH}:lib/ant-launcher-1.8.3.jar:lib/junit-3.8.1.jar"
-CLASSPATH="${CLASSPATH}:lib/ant-junit-1.8.3.jar:lib/ant-apache-bsf-1.8.3.jar"
+CLASSPATH="${CLASSPATH}:lib/ant-1.9.7.jar:lib/bsf-2.3.0.jar"
+CLASSPATH="${CLASSPATH}:lib/ant-launcher-1.9.7.jar:lib/junit-3.8.1.jar"
+CLASSPATH="${CLASSPATH}:lib/ant-junit-1.9.7.jar:lib/ant-apache-bsf-1.9.7.jar"
 CLASSPATH="${CLASSPATH}:lib/js-1.5r3.jar"
 CLASSPATH="${CLASSPATH}:lib/javacc-3.2.jar"
 
diff --git a/common.xml b/common.xml
index 077e44e..87f84eb 100644
--- a/common.xml
+++ b/common.xml
@@ -80,7 +80,7 @@
       <classpath>
 
         <pathelement location="${java.home}/lib/tools.jar"/>
-        <pathelement location="${lib.dir}/ant-1.8.3.jar"/>
+        <pathelement location="${lib.dir}/ant-1.9.7.jar"/>
         <pathelement location="${lib.dir}/${servlet.jar}"/>
         <pathelement location="${lib.dir}/${servlet-jsp.jar}"/>
         <pathelement location="${lib.dir}/${jetty-logging.jar}"/>
diff --git a/lib/ant-1.7.0.jar b/lib/ant-1.7.0.jar
deleted file mode 100644
index 0a56a58..0000000
Binary files a/lib/ant-1.7.0.jar and /dev/null differ
diff --git a/lib/ant-1.8.3.jar b/lib/ant-1.8.3.jar
deleted file mode 100644
index f68c9cf..0000000
Binary files a/lib/ant-1.8.3.jar and /dev/null differ
diff --git a/lib/ant-1.9.7.jar b/lib/ant-1.9.7.jar
new file mode 100644
index 0000000..1c348e3
Binary files /dev/null and b/lib/ant-1.9.7.jar differ
diff --git a/lib/ant-apache-bsf-1.7.0.jar b/lib/ant-apache-bsf-1.7.0.jar
deleted file mode 100644
index 0ee68ac..0000000
Binary files a/lib/ant-apache-bsf-1.7.0.jar and /dev/null differ
diff --git a/lib/ant-apache-bsf-1.8.3.jar b/lib/ant-apache-bsf-1.9.7.jar
similarity index 56%
rename from lib/ant-apache-bsf-1.8.3.jar
rename to lib/ant-apache-bsf-1.9.7.jar
index 5196d57..b6c1b00 100644
Binary files a/lib/ant-apache-bsf-1.8.3.jar and b/lib/ant-apache-bsf-1.9.7.jar differ
diff --git a/lib/ant-junit-1.7.0.jar b/lib/ant-junit-1.7.0.jar
deleted file mode 100644
index fa43fb2..0000000
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diff --git a/lib/ant-junit-1.8.3.jar b/lib/ant-junit-1.8.3.jar
deleted file mode 100644
index bfbf5e8..0000000
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diff --git a/lib/ant-junit-1.9.7.jar b/lib/ant-junit-1.9.7.jar
new file mode 100644
index 0000000..22daf47
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diff --git a/lib/ant-launcher-1.7.0.jar b/lib/ant-launcher-1.7.0.jar
deleted file mode 100644
index 12a1e78..0000000
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diff --git a/lib/ant-launcher-1.8.3.jar b/lib/ant-launcher-1.8.3.jar
deleted file mode 100644
index e1dcfb2..0000000
Binary files a/lib/ant-launcher-1.8.3.jar and /dev/null differ
diff --git a/lib/ant-launcher-1.9.7.jar b/lib/ant-launcher-1.9.7.jar
new file mode 100644
index 0000000..78b3412
Binary files /dev/null and b/lib/ant-launcher-1.9.7.jar differ
diff --git a/lib/ant-nodeps-1.7.0.jar b/lib/ant-nodeps-1.7.0.jar
deleted file mode 100644
index 2d209fa..0000000
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diff --git a/lib/ant-trax-1.7.0.jar b/lib/ant-trax-1.7.0.jar
deleted file mode 100644
index ef838ec..0000000
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