diff --git a/build.properties b/build.properties
index 0bfab0e8e9..e56d9437a0 100644
--- a/build.properties
+++ b/build.properties
@@ -6,7 +6,7 @@ batik-awt-util.jar          = ${lib.dir}/batik-awt-util-1.6.jar
 
 commons-codec.jar           = ${lib.dir}/commons-codec-1.3.jar
 commons-collections.jar     = ${lib.dir}/commons-collections-3.2.jar
-commons-httpclient.jar      = ${lib.dir}/commons-httpclient-3.0.1.jar
+commons-httpclient.jar      = ${lib.dir}/commons-httpclient-3.1-rc1.jar
 commons-jexl.jar            = ${lib.dir}/commons-jexl-1.1.jar
 # commons-lang is currently only needed by velocity; but could be useful for BeanShell
 commons-lang.jar            = ${lib.dir}/commons-lang-2.3.jar
diff --git a/eclipse.classpath b/eclipse.classpath
index 123dcd5ef0..eead4656ec 100644
--- a/eclipse.classpath
+++ b/eclipse.classpath
@@ -24,7 +24,7 @@
 	<classpathentry kind="lib" path="lib/bsf-2.4.0.jar"/>
 	<classpathentry kind="lib" path="lib/commons-codec-1.3.jar"/>
 	<classpathentry kind="lib" path="lib/commons-collections-3.2.jar"/>
-	<classpathentry kind="lib" path="lib/commons-httpclient-3.0.1.jar"/>
+	<classpathentry kind="lib" path="lib/commons-httpclient-3.1-rc1.jar"/>
 	<classpathentry kind="lib" path="lib/commons-jexl-1.1.jar"/>
 	<classpathentry kind="lib" path="lib/commons-logging-1.1.jar"/>
 	<classpathentry kind="lib" path="lib/excalibur-datasource-1.1.1.jar"/>
diff --git a/lib/commons-httpclient-3.0.1.jar b/lib/commons-httpclient-3.0.1.jar
deleted file mode 100644
index cfc777c71d..0000000000
Binary files a/lib/commons-httpclient-3.0.1.jar and /dev/null differ
diff --git a/lib/commons-httpclient-3.1-rc1.jar b/lib/commons-httpclient-3.1-rc1.jar
new file mode 100644
index 0000000000..09fe533a7d
Binary files /dev/null and b/lib/commons-httpclient-3.1-rc1.jar differ
diff --git a/xdocs/changes.xml b/xdocs/changes.xml
index caeafe6219..29667be68d 100644
--- a/xdocs/changes.xml
+++ b/xdocs/changes.xml
@@ -142,6 +142,7 @@ Removed deprecated method JMeterUtils.split() - use JOrphanUtils version instead
 <li>Batik 1.6</li>
 <li>BSF 2.4.0</li>
 <li>commons-collections 3.2</li>
+<li>commons-httpclient-3.1-rc1</li>
 <li>commons-jexl 1.1</li>
 <li>commons-lang-2.3 (added)</li>
 <li>velocity 1.5</li>