Added MESOS-9519 to the 1.7.1 CHANGELOG.
diff --git a/CHANGELOG b/CHANGELOG
index dfcab31..93a2757 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -52,6 +52,7 @@
   * [MESOS-9505] - `make check` failed with linking errors when c-ares is installed.
   * [MESOS-9508] - Official 1.7.0 tarball can't be built on Ubuntu 16.04 LTS.
   * [MESOS-9518] - CNI_NETNS should not be set for orphan containers that do not have network namespace.
+  * [MESOS-9519] - Unable to build Mesos with CMake on Ubuntu 14.04.
 
 ** Improvement:
   * [MESOS-6765] - Make the Resources wrapper "copy-on-write" to improve performance.