diff --git a/.classpath b/.classpath
index 0a4b65f18..71a1cb110 100644
--- a/.classpath
+++ b/.classpath
@@ -90,7 +90,7 @@
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry kind="lib" path="lib/icu4j-56_1.jar"/>
 	<classpathentry kind="lib" path="lib/htmllexer.jar"/>
-	<classpathentry kind="lib" path="lib/jsoup-1.8.3.jar"/>
+	<classpathentry kind="lib" path="lib/jsoup-1.9.1.jar"/>
 	<classpathentry kind="lib" path="lib/javax.servlet-api-3.1.0.jar"/>
 	<classpathentry kind="lib" path="lib/weupnp-0.1.4.jar"/>
 	<classpathentry kind="lib" path="lib/common-image-3.2.1.jar"/>
diff --git a/build.xml b/build.xml
index bcc725f05..8d114d25b 100644
--- a/build.xml
+++ b/build.xml
@@ -208,7 +208,7 @@
         <pathelement location="${lib}/jetty-xml-9.2.15.v20160210.jar" />
     	<pathelement location="${lib}/jsch-0.1.53.jar" />
     	<pathelement location="${lib}/json-simple-1.1.1.jar" />
-    	<pathelement location="${lib}/jsoup-1.8.3.jar" />
+    	<pathelement location="${lib}/jsoup-1.9.1.jar" />
     	<pathelement location="${lib}/log4j-over-slf4j-1.7.18.jar" />
     	<pathelement location="${lib}/lucene-analyzers-common-5.5.0.jar" />
     	<pathelement location="${lib}/lucene-analyzers-phonetic-5.5.0.jar" />
diff --git a/lib/jsoup-1.8.3.jar b/lib/jsoup-1.9.1.jar
similarity index 59%
rename from lib/jsoup-1.8.3.jar
rename to lib/jsoup-1.9.1.jar
index 276fa8332..9160b2bec 100644
Binary files a/lib/jsoup-1.8.3.jar and b/lib/jsoup-1.9.1.jar differ
diff --git a/pom.xml b/pom.xml
index ac9e3de58..f2010d3e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -437,7 +437,7 @@
         <dependency>
             <groupId>org.jsoup</groupId>
             <artifactId>jsoup</artifactId>
-            <version>1.8.3</version>
+            <version>1.9.1</version>
         </dependency>
         <dependency>
             <groupId>com.youcruit.com.cybozu.labs</groupId>