diff --git a/httpmime/pom.xml b/httpmime/pom.xml
index 062eab9a4..ccb772ae2 100644
--- a/httpmime/pom.xml
+++ b/httpmime/pom.xml
@@ -74,6 +74,13 @@
       <version>${junit.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+        <groupId>net.jcip</groupId>
+        <artifactId>jcip-annotations</artifactId>
+        <version>1.0</version>
+        <!-- Not optional; this is a hack to stop the dependency becoming transitive -->
+        <optional>true</optional>
+    </dependency>
   </dependencies>
 
   <properties>