diff --git a/.classpath b/.classpath
index 411853e8d..7bac141a7 100644
--- a/.classpath
+++ b/.classpath
@@ -29,7 +29,7 @@
 	<classpathentry kind="lib" path="lib/jcl-over-slf4j-1.7.24.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-jdk14-1.7.24.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-over-slf4j-1.7.24.jar"/>
-	<classpathentry kind="lib" path="lib/httpcore-4.4.8.jar"/>
+	<classpathentry kind="lib" path="lib/httpcore-4.4.9.jar"/>
 	<classpathentry kind="lib" path="lib/metadata-extractor-2.11.0.jar"/>
 	<classpathentry kind="lib" path="lib/xmpcore-5.1.3.jar"/>
 	<classpathentry kind="lib" path="lib/jcifs-1.3.17.jar"/>
@@ -58,8 +58,8 @@
 	<classpathentry kind="lib" path="lib/jetty-util-9.4.8.v20171121.jar"/>
 	<classpathentry kind="lib" path="lib/jetty-webapp-9.4.8.v20171121.jar"/>
 	<classpathentry kind="lib" path="lib/jetty-xml-9.4.8.v20171121.jar"/>
-	<classpathentry kind="lib" path="lib/httpclient-4.5.4.jar"/>
-	<classpathentry kind="lib" path="lib/httpmime-4.5.4.jar"/>
+	<classpathentry kind="lib" path="lib/httpclient-4.5.5.jar"/>
+	<classpathentry kind="lib" path="lib/httpmime-4.5.5.jar"/>
 	<classpathentry kind="lib" path="lib/noggit-0.6.jar"/>
 	<classpathentry kind="lib" path="lib/stax2-api-3.1.4.jar"/>
 	<classpathentry kind="lib" path="lib/woodstox-core-asl-4.4.1.jar"/>
diff --git a/build.xml b/build.xml
index 9967d1970..5d30ec842 100644
--- a/build.xml
+++ b/build.xml
@@ -188,9 +188,9 @@
     	<pathelement location="${lib}/fontbox-2.0.8.jar" />
         <pathelement location="${lib}/guava-18.0.jar" />
         <pathelement location="${lib}/htmllexer.jar" />
-        <pathelement location="${lib}/httpclient-4.5.4.jar" />
-        <pathelement location="${lib}/httpcore-4.4.8.jar" />
-        <pathelement location="${lib}/httpmime-4.5.4.jar" />
+        <pathelement location="${lib}/httpclient-4.5.5.jar" />
+        <pathelement location="${lib}/httpcore-4.4.9.jar" />
+        <pathelement location="${lib}/httpmime-4.5.5.jar" />
         <pathelement location="${lib}/icu4j-60.2.jar" />
     	<pathelement location="${lib}/imageio-bmp-3.3.2.jar" />
     	<pathelement location="${lib}/imageio-core-3.3.2.jar" />
diff --git a/lib/httpclient-4.5.4.jar b/lib/httpclient-4.5.5.jar
similarity index 76%
rename from lib/httpclient-4.5.4.jar
rename to lib/httpclient-4.5.5.jar
index 10a6039ae..7796b0e74 100644
Binary files a/lib/httpclient-4.5.4.jar and b/lib/httpclient-4.5.5.jar differ
diff --git a/lib/httpcore-4.4.8.jar b/lib/httpcore-4.4.8.jar
deleted file mode 100644
index 8b8e616ee..000000000
Binary files a/lib/httpcore-4.4.8.jar and /dev/null differ
diff --git a/lib/httpcore-4.4.8.License b/lib/httpcore-4.4.9.License
similarity index 100%
rename from lib/httpcore-4.4.8.License
rename to lib/httpcore-4.4.9.License
diff --git a/lib/httpcore-4.4.9.jar b/lib/httpcore-4.4.9.jar
new file mode 100644
index 000000000..e2d3cbf52
Binary files /dev/null and b/lib/httpcore-4.4.9.jar differ
diff --git a/lib/httpmime-4.5.4.jar b/lib/httpmime-4.5.5.jar
similarity index 79%
rename from lib/httpmime-4.5.4.jar
rename to lib/httpmime-4.5.5.jar
index 2e379554d..4d3ee66f7 100644
Binary files a/lib/httpmime-4.5.4.jar and b/lib/httpmime-4.5.5.jar differ
diff --git a/pom.xml b/pom.xml
index 347484c05..7dac6fcba 100644
--- a/pom.xml
+++ b/pom.xml
@@ -406,19 +406,19 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.4</version>
+            <version>4.5.5</version>
             <type>jar</type>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpcore</artifactId>
-            <version>4.4.8</version>
+            <version>4.4.9</version>
             <type>jar</type>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpmime</artifactId>
-            <version>4.5.4</version>
+            <version>4.5.5</version>
             <type>jar</type>
         </dependency>
         <dependency>