diff --git a/.classpath b/.classpath
index 9af82b40b..2b47b44ad 100644
--- a/.classpath
+++ b/.classpath
@@ -30,7 +30,7 @@
 	<classpathentry kind="lib" path="lib/jcl-over-slf4j-1.7.21.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-jdk14-1.7.21.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-over-slf4j-1.7.21.jar"/>
-	<classpathentry kind="lib" path="lib/httpcore-4.4.5.jar"/>
+	<classpathentry kind="lib" path="lib/httpcore-4.4.6.jar"/>
 	<classpathentry kind="lib" path="lib/metadata-extractor-2.9.1.jar"/>
 	<classpathentry kind="lib" path="lib/xmpcore-5.1.2.jar"/>
 	<classpathentry kind="lib" path="lib/jcifs-1.3.17.jar"/>
@@ -61,8 +61,8 @@
 	<classpathentry kind="lib" path="lib/jetty-util-9.2.21.v20170120.jar"/>
 	<classpathentry kind="lib" path="lib/jetty-webapp-9.2.21.v20170120.jar"/>
 	<classpathentry kind="lib" path="lib/jetty-xml-9.2.21.v20170120.jar"/>
-	<classpathentry kind="lib" path="lib/httpclient-4.5.2.jar"/>
-	<classpathentry kind="lib" path="lib/httpmime-4.5.2.jar"/>
+	<classpathentry kind="lib" path="lib/httpclient-4.5.3.jar"/>
+	<classpathentry kind="lib" path="lib/httpmime-4.5.3.jar"/>
 	<classpathentry kind="lib" path="lib/noggit-0.6.jar"/>
 	<classpathentry kind="lib" path="lib/solr-core-5.5.3.jar"/>
 	<classpathentry kind="lib" path="lib/solr-solrj-5.5.3.jar"/>
diff --git a/build.xml b/build.xml
index 41013c474..47ce3d6be 100644
--- a/build.xml
+++ b/build.xml
@@ -186,9 +186,9 @@
     	<pathelement location="${lib}/fontbox-2.0.3.jar" />
         <pathelement location="${lib}/guava-18.0.jar" />
         <pathelement location="${lib}/htmllexer.jar" />
-        <pathelement location="${lib}/httpclient-4.5.2.jar" />
-        <pathelement location="${lib}/httpcore-4.4.5.jar" />
-        <pathelement location="${lib}/httpmime-4.5.2.jar" />
+        <pathelement location="${lib}/httpclient-4.5.3.jar" />
+        <pathelement location="${lib}/httpcore-4.4.6.jar" />
+        <pathelement location="${lib}/httpmime-4.5.3.jar" />
         <pathelement location="${lib}/icu4j-57_1.jar" />
     	<pathelement location="${lib}/imageio-bmp-3.3.1.jar" />
     	<pathelement location="${lib}/imageio-core-3.3.1.jar" />
diff --git a/lib/httpclient-4.5.2.jar b/lib/httpclient-4.5.2.jar
deleted file mode 100644
index 701609fcc..000000000
Binary files a/lib/httpclient-4.5.2.jar and /dev/null differ
diff --git a/lib/httpclient-4.5.3.jar b/lib/httpclient-4.5.3.jar
new file mode 100644
index 000000000..8af456108
Binary files /dev/null and b/lib/httpclient-4.5.3.jar differ
diff --git a/lib/httpcore-4.4.5.License b/lib/httpcore-4.4.6.License
similarity index 100%
rename from lib/httpcore-4.4.5.License
rename to lib/httpcore-4.4.6.License
diff --git a/lib/httpcore-4.4.5.jar b/lib/httpcore-4.4.6.jar
similarity index 74%
rename from lib/httpcore-4.4.5.jar
rename to lib/httpcore-4.4.6.jar
index 6bbf0ac8b..16ed0d160 100644
Binary files a/lib/httpcore-4.4.5.jar and b/lib/httpcore-4.4.6.jar differ
diff --git a/lib/httpmime-4.5.2.jar b/lib/httpmime-4.5.3.jar
similarity index 80%
rename from lib/httpmime-4.5.2.jar
rename to lib/httpmime-4.5.3.jar
index 474670a65..fe2cf8e3d 100644
Binary files a/lib/httpmime-4.5.2.jar and b/lib/httpmime-4.5.3.jar differ
diff --git a/pom.xml b/pom.xml
index 003c798a6..7d23ed90e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -405,18 +405,20 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.2</version>
+            <version>4.5.3</version>
+            <type>jar</type>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpcore</artifactId>
-            <version>4.4.5</version>
+            <version>4.4.6</version>
             <type>jar</type>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpmime</artifactId>
-            <version>4.5.2</version>
+            <version>4.5.3</version>
+            <type>jar</type>
         </dependency>
         <dependency>
             <groupId>com.ibm.icu</groupId>