diff --git a/apps/addressbook/build.xml b/apps/addressbook/build.xml
index beff280f8c33227ad719c922d6fa51c31c636ee0..719924bcd861ff4affe2fefda34354d5a304ce6d 100644
--- a/apps/addressbook/build.xml
+++ b/apps/addressbook/build.xml
@@ -37,7 +37,7 @@
         </target>
 
 	<target name="compile" depends="init, depend">
-		<javac debug="true" deprecation="on" source="1.5" target="1.5" 
+		<javac debug="true" deprecation="on" source="1.6" target="1.6" 
                        includeAntRuntime="false"
                        srcdir="${src}" destdir="${build}">
             <compilerarg line="${javac.compilerargs}" />
diff --git a/apps/desktopgui/build.xml b/apps/desktopgui/build.xml
index 296280aba94ca362efdf88574f620e8f8d656e01..59f2b8ed2d7f83490ea503de5a113a32c6e0c0a8 100644
--- a/apps/desktopgui/build.xml
+++ b/apps/desktopgui/build.xml
@@ -27,7 +27,7 @@
 	</target>
 
 	<target name="compile" depends="init">
-		<javac debug="true" deprecation="on" source="1.5" target="1.5" 
+		<javac debug="true" deprecation="on" source="1.6" target="1.6" 
                        includeAntRuntime="false"
                        srcdir="${src}" destdir="${build}">
             <compilerarg line="${javac.compilerargs}" />
diff --git a/apps/i2psnark/java/build.xml b/apps/i2psnark/java/build.xml
index d6a851427fab0a5a271acc5891f91c6b4c7acb72..225c9f377e3529ee306d6415113f2624f568e0fb 100644
--- a/apps/i2psnark/java/build.xml
+++ b/apps/i2psnark/java/build.xml
@@ -36,7 +36,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./src" 
-            debug="true" deprecation="on" source="1.5" target="1.5" 
+            debug="true" deprecation="on" source="1.6" target="1.6" 
             destdir="./build/obj" 
             includeAntRuntime="false"
             classpath="../../../core/java/build/i2p.jar:../../jetty/jettylib/org.mortbay.jetty.jar:../../jetty/jettylib/javax.servlet.jar:../../jetty/jettylib/jetty-servlet.jar:../../jetty/jettylib/jetty-util.jar:../../ministreaming/java/build/mstreaming.jar" >
diff --git a/apps/i2ptunnel/java/build.xml b/apps/i2ptunnel/java/build.xml
index 14ca2f3c543d998ab659b2d6d6d76fc138e4e189..e095af29d7e3c757b054748a2753d156c6316e1a 100644
--- a/apps/i2ptunnel/java/build.xml
+++ b/apps/i2ptunnel/java/build.xml
@@ -238,7 +238,7 @@
             <arg value="-webapp" />
             <arg value="../jsp/" />
         </java>
-        <javac debug="true" deprecation="on" source="1.5" target="1.5" 
+        <javac debug="true" deprecation="on" source="1.6" target="1.6" 
                includeAntRuntime="false"
                destdir="../jsp/WEB-INF/classes/" srcdir="../jsp/WEB-INF/classes" includes="**/*.java">
             <compilerarg line="${javac.compilerargs}" />
diff --git a/apps/jetty/build.xml b/apps/jetty/build.xml
index 3974b8566d41b983e00fee8966136a312a5e855c..5e907282577b2b52ec04aa0546bb2cc5573c7d30 100644
--- a/apps/jetty/build.xml
+++ b/apps/jetty/build.xml
@@ -227,7 +227,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./java/src" 
-            debug="true" deprecation="on" source="1.5" target="1.5" 
+            debug="true" deprecation="on" source="1.6" target="1.6" 
             destdir="./build/obj" 
             includeAntRuntime="false"
             classpath="../../core/java/build/i2p.jar:./jettylib/commons-logging.jar:./jettylib/javax.servlet.jar:./jettylib/org.mortbay.jetty.jar:./jettylib/jetty-http.jar:./jettylib/jetty-io.jar:./jettylib/jetty-security.jar:./jettylib/jetty-util.jar:./jettylib/jetty-xml.jar" >
diff --git a/apps/routerconsole/java/build.xml b/apps/routerconsole/java/build.xml
index 9753bff68c63b96834a5551311ef90682aa8317d..fd8fe3c292a02d6cf1d72a9e80355d836a6b995b 100644
--- a/apps/routerconsole/java/build.xml
+++ b/apps/routerconsole/java/build.xml
@@ -52,7 +52,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./src" 
-            debug="true" deprecation="on" source="1.5" target="1.5" 
+            debug="true" deprecation="on" source="1.6" target="1.6" 
             includeAntRuntime="false"
             destdir="./build/obj">
             <compilerarg line="${javac.compilerargs}" />
@@ -342,7 +342,7 @@
             <arg value="../jsp/" />
         </java>
         
-        <javac debug="true" deprecation="on" source="1.5" target="1.5" 
+        <javac debug="true" deprecation="on" source="1.6" target="1.6" 
                encoding="UTF-8"
                includeAntRuntime="false"
                destdir="../jsp/WEB-INF/classes/" 
diff --git a/apps/sam/java/build.xml b/apps/sam/java/build.xml
index 076c2e4533bc301576880ff5c39824a11f55aecc..ee12a5704a23c95a5be0633691ff85e639eb7496 100644
--- a/apps/sam/java/build.xml
+++ b/apps/sam/java/build.xml
@@ -30,7 +30,7 @@
         <mkdir dir="./build/obj" />
         <javac 
             srcdir="./src" 
-            debug="true" deprecation="on" source="1.5" target="1.5" 
+            debug="true" deprecation="on" source="1.6" target="1.6" 
             includeAntRuntime="false"
             destdir="./build/obj" 
             classpath="../../../core/java/build/i2p.jar:../../ministreaming/java/build/mstreaming.jar:../../streaming/java/build/streaming.jar" >
@@ -41,7 +41,7 @@
     <target name="compileTest" depends="compile">
         <javac 
             srcdir="./test" 
-            debug="true" deprecation="on" source="1.5" target="1.5" 
+            debug="true" deprecation="on" source="1.6" target="1.6" 
             includeAntRuntime="false"
             destdir="./build/obj" 
             classpath="../../../core/java/build/i2p.jar:../../ministreaming/java/build/mstreaming.jar:../../streaming/java/build/streaming.jar" >
diff --git a/apps/susidns/src/build.xml b/apps/susidns/src/build.xml
index ed71e26388341877f605ee0477173626b1adbe72..b7afaa5d73011a3ab592b14fb75c7dabdcc3ebbb 100644
--- a/apps/susidns/src/build.xml
+++ b/apps/susidns/src/build.xml
@@ -29,7 +29,7 @@
 
  	<target name="compile">
 		<mkdir dir="${bin}" />
-		<javac debug="true" deprecation="on" source="1.5" target="1.5"
+		<javac debug="true" deprecation="on" source="1.6" target="1.6"
 			includeAntRuntime="false"
  			classpathref="cp" destdir="${bin}" srcdir="${src}" includes="**/*.java" >
 			<compilerarg line="${javac.compilerargs}" />
@@ -52,7 +52,7 @@
             <arg value="-webapp" />
             <arg value="./jsp" />
         </java>
-        <javac debug="true" deprecation="on" source="1.5" target="1.5" 
+        <javac debug="true" deprecation="on" source="1.6" target="1.6" 
                includeAntRuntime="false"
                destdir="${bin}" srcdir="${tmp}" includes="**/*.java" classpathref="cp">
 		<compilerarg line="${javac.compilerargs}" />
diff --git a/apps/susimail/build.xml b/apps/susimail/build.xml
index de05643fb2086d99e7bdf23e3c862fdd790994a6..e99e645679236bb63c80931d2431994017d35f32 100644
--- a/apps/susimail/build.xml
+++ b/apps/susimail/build.xml
@@ -17,7 +17,7 @@
         <mkdir dir="./src/WEB-INF/classes" />
         <javac 
             srcdir="./src/src"
-            debug="true" deprecation="off" source="1.5" target="1.5" 
+            debug="true" deprecation="off" source="1.6" target="1.6" 
             includeAntRuntime="false"
             destdir="./src/WEB-INF/classes">
             <compilerarg line="${javac.compilerargs}" />
diff --git a/apps/systray/java/build.xml b/apps/systray/java/build.xml
index eeec392303a9f3da648a15c98cd0d166953bdee9..eb5e01a0367479bcbfaabdbb25cff370b8596158 100644
--- a/apps/systray/java/build.xml
+++ b/apps/systray/java/build.xml
@@ -13,8 +13,8 @@
             srcdir="./src"
             debug="true"
             deprecation="on"
-            source="1.5"
-            target="1.5"
+            source="1.6"
+            target="1.6"
             destdir="./build/obj"
             includeAntRuntime="false"
             includes="**/*.java"