diff --git a/.classpath b/.classpath
index 0ea0a9b32..f63856541 100644
--- a/.classpath
+++ b/.classpath
@@ -37,7 +37,6 @@
 	<classpathentry kind="lib" path="lib/jcl-over-slf4j-1.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-api-1.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/zookeeper-3.4.5.jar"/>
-	<classpathentry kind="lib" path="lib/guava-15.0.jar"/>
 	<classpathentry kind="lib" path="lib/wstx-asl-3.2.9.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-jdk14-1.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-over-slf4j-1.7.2.jar"/>
@@ -67,6 +66,7 @@
 	<classpathentry kind="lib" path="lib/fontbox-1.8.4.jar"/>
 	<classpathentry kind="lib" path="lib/jempbox-1.8.4.jar"/>
 	<classpathentry kind="lib" path="lib/pdfbox-1.8.4.jar"/>
+	<classpathentry kind="lib" path="lib/guava-16.0.1.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry kind="lib" path="lib/icu4j-core.jar"/>
 	<classpathentry kind="lib" path="lib/htmllexer.jar"/>
diff --git a/addon/YaCy.app/Contents/Info.plist b/addon/YaCy.app/Contents/Info.plist
index 42f87ae89..77bbe34a3 100644
--- a/addon/YaCy.app/Contents/Info.plist
+++ b/addon/YaCy.app/Contents/Info.plist
@@ -50,7 +50,7 @@
 			<string>$JAVAROOT/lib/commons-logging-1.1.3.jar</string>
 			<string>$JAVAROOT/lib/fontbox-1.8.4.jar</string>
 			<string>$JAVAROOT/lib/geronimo-stax-api_1.0_spec-1.0.1.jar</string>
-			<string>$JAVAROOT/lib/guava-15.0.jar</string>
+			<string>$JAVAROOT/lib/guava-16.0.1.jar</string>
 			<string>$JAVAROOT/lib/htmllexer.jar</string>
 			<string>$JAVAROOT/lib/httpclient-4.3.2.jar</string>
 			<string>$JAVAROOT/lib/httpcore-4.3.1.jar</string>
diff --git a/build.xml b/build.xml
index 71d489598..309bdcdbe 100644
--- a/build.xml
+++ b/build.xml
@@ -174,7 +174,7 @@
     	<pathelement location="${lib}/commons-logging-1.1.3.jar" />
     	<pathelement location="${lib}/fontbox-1.8.4.jar" />
         <pathelement location="${lib}/geronimo-stax-api_1.0_spec-1.0.1.jar" />
-        <pathelement location="${lib}/guava-15.0.jar" />
+        <pathelement location="${lib}/guava-16.0.1.jar" />
         <pathelement location="${lib}/htmllexer.jar" />
         <pathelement location="${lib}/httpclient-4.3.2.jar" />
         <pathelement location="${lib}/httpcore-4.3.1.jar" />
diff --git a/lib/guava-15.0.jar b/lib/guava-16.0.1.jar
similarity index 58%
rename from lib/guava-15.0.jar
rename to lib/guava-16.0.1.jar
index eb9ef8ad5..2c8127d16 100644
Binary files a/lib/guava-15.0.jar and b/lib/guava-16.0.1.jar differ