guava.patch

diff --git a/cassandra/pom.xml b/cassandra/pom.xml
index 8c3e30b..6b4bcc5 100644
--- a/cassandra/pom.xml
+++ b/cassandra/pom.xml
@@ -146,7 +146,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>16.0</version>
+            <version>19.0</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/elasticsearch/pom.xml b/elasticsearch/pom.xml
index d3625e0..d85ce35 100644
--- a/elasticsearch/pom.xml
+++ b/elasticsearch/pom.xml
@@ -35,7 +35,7 @@
 
   <properties>
     <elasticsearch.version>2.1.0</elasticsearch.version>
-    <guava.version>18.0</guava.version>
+    <guava.version>19.0</guava.version>
     <json-flattener.version>0.1.1</json-flattener.version>
   </properties>
 
diff --git a/pom.xml b/pom.xml
index c3f554f..11931ef 100755
--- a/pom.xml
+++ b/pom.xml
@@ -111,7 +111,7 @@
     <log4j.version>1.2.17</log4j.version>
     <libthrift.version>0.9.2</libthrift.version>
     <gson.version>2.2</gson.version>
-    <guava.version>15.0</guava.version>
+    <guava.version>19.0</guava.version>
 
     <PermGen>64m</PermGen>
     <MaxPermGen>512m</MaxPermGen>
diff --git a/spark/pom.xml b/spark/pom.xml
index a55bf5b..7fd6908 100644
--- a/spark/pom.xml
+++ b/spark/pom.xml
@@ -124,7 +124,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>14.0.1</version>
+      <version>19.0</version>
     </dependency>
 
     <!-- Aether :: maven dependency resolution -->
diff --git a/zeppelin-zengine/pom.xml b/zeppelin-zengine/pom.xml
index 5c72609..9906072 100644
--- a/zeppelin-zengine/pom.xml
+++ b/zeppelin-zengine/pom.xml
@@ -121,6 +121,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
+      <version>19.0</version>
     </dependency>
 
     <dependency>