diff --git a/.classpath b/.classpath
index a20f2d5a8..f3a024c95 100644
--- a/.classpath
+++ b/.classpath
@@ -44,14 +44,14 @@
 	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/serializer.jar"/>
 	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/xercesImpl-2.11.jar"/>
 	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/xml-apis.jar"/>
-	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/httpclient-4.2.5.jar"/>
-	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/httpcore-4.2.4.jar"/>
+	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/httpclient-4.5.5.jar"/>
+	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/httpcore-4.4.9.jar"/>
 	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/signpost-commonshttp4-1.2.1.2.jar" sourcepath="main/webapp/WEB-INF/lib-src/signpost-commonshttp4-1.2.1.2-sources.jar"/>
 	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/signpost-core-1.2.1.2.jar" sourcepath="main/webapp/WEB-INF/lib-src/signpost-core-1.2.1.2-sources.jar"/>
 	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/guava-13.0.jar"/>
 	<classpathentry kind="lib" path="extensions/gdata/module/MOD-INF/lib/jsr305-1.3.9.jar"/>
-	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/fluent-hc-4.2.5.jar"/>
-	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/httpmime-4.2.5.jar"/>
+	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/fluent-hc-4.5.5.jar"/>
+	<classpathentry exported="true" kind="lib" path="main/webapp/WEB-INF/lib/httpmime-4.5.5.jar"/>
 	<classpathentry kind="lib" path="extensions/gdata/module/MOD-INF/lib/commons-logging-1.1.1.jar"/>
 	<classpathentry kind="lib" path="extensions/gdata/module/MOD-INF/lib/transaction-api-1.1.jar"/>
 	<classpathentry kind="lib" path="main/webapp/WEB-INF/lib/poi-3.13-20150929.jar"/>
diff --git a/main/webapp/WEB-INF/lib-src/httpclient-4.2.5-sources.jar b/main/webapp/WEB-INF/lib-src/httpclient-4.2.5-sources.jar
deleted file mode 100644
index 410955ca6..000000000
Binary files a/main/webapp/WEB-INF/lib-src/httpclient-4.2.5-sources.jar and /dev/null differ
diff --git a/main/webapp/WEB-INF/lib-src/httpclient-4.5.5-sources.jar b/main/webapp/WEB-INF/lib-src/httpclient-4.5.5-sources.jar
new file mode 100644
index 000000000..318b1d38e
Binary files /dev/null and b/main/webapp/WEB-INF/lib-src/httpclient-4.5.5-sources.jar differ
diff --git a/main/webapp/WEB-INF/lib-src/httpcore-4.2.4-sources.jar b/main/webapp/WEB-INF/lib-src/httpcore-4.2.4-sources.jar
deleted file mode 100644
index afc10cddf..000000000
Binary files a/main/webapp/WEB-INF/lib-src/httpcore-4.2.4-sources.jar and /dev/null differ
diff --git a/main/webapp/WEB-INF/lib-src/httpcore-4.4.9-sources.jar b/main/webapp/WEB-INF/lib-src/httpcore-4.4.9-sources.jar
new file mode 100644
index 000000000..05e51d51c
Binary files /dev/null and b/main/webapp/WEB-INF/lib-src/httpcore-4.4.9-sources.jar differ
diff --git a/main/webapp/WEB-INF/lib/fluent-hc-4.2.5.jar b/main/webapp/WEB-INF/lib/fluent-hc-4.2.5.jar
deleted file mode 100644
index 2f165410b..000000000
Binary files a/main/webapp/WEB-INF/lib/fluent-hc-4.2.5.jar and /dev/null differ
diff --git a/main/webapp/WEB-INF/lib/fluent-hc-4.5.5.jar b/main/webapp/WEB-INF/lib/fluent-hc-4.5.5.jar
new file mode 100644
index 000000000..f1495c768
Binary files /dev/null and b/main/webapp/WEB-INF/lib/fluent-hc-4.5.5.jar differ
diff --git a/main/webapp/WEB-INF/lib/httpclient-4.2.5.jar b/main/webapp/WEB-INF/lib/httpclient-4.2.5.jar
deleted file mode 100644
index 5310588ef..000000000
Binary files a/main/webapp/WEB-INF/lib/httpclient-4.2.5.jar and /dev/null differ
diff --git a/main/webapp/WEB-INF/lib/httpclient-4.5.5.jar b/main/webapp/WEB-INF/lib/httpclient-4.5.5.jar
new file mode 100644
index 000000000..7796b0e74
Binary files /dev/null and b/main/webapp/WEB-INF/lib/httpclient-4.5.5.jar differ
diff --git a/main/webapp/WEB-INF/lib/httpcore-4.2.4.jar b/main/webapp/WEB-INF/lib/httpcore-4.2.4.jar
deleted file mode 100644
index 9f45bd91c..000000000
Binary files a/main/webapp/WEB-INF/lib/httpcore-4.2.4.jar and /dev/null differ
diff --git a/main/webapp/WEB-INF/lib/httpcore-4.4.9.jar b/main/webapp/WEB-INF/lib/httpcore-4.4.9.jar
new file mode 100644
index 000000000..cddba28f9
Binary files /dev/null and b/main/webapp/WEB-INF/lib/httpcore-4.4.9.jar differ
diff --git a/main/webapp/WEB-INF/lib/httpmime-4.2.5.jar b/main/webapp/WEB-INF/lib/httpmime-4.2.5.jar
deleted file mode 100644
index e63b24d70..000000000
Binary files a/main/webapp/WEB-INF/lib/httpmime-4.2.5.jar and /dev/null differ
diff --git a/main/webapp/WEB-INF/lib/httpmime-4.5.5.jar b/main/webapp/WEB-INF/lib/httpmime-4.5.5.jar
new file mode 100644
index 000000000..4d3ee66f7
Binary files /dev/null and b/main/webapp/WEB-INF/lib/httpmime-4.5.5.jar differ