diff --git a/documentation/poky.ent b/documentation/poky.ent
index 6041b31245..1c6ca0db44 100644
--- a/documentation/poky.ent
+++ b/documentation/poky.ent
@@ -58,7 +58,7 @@
      build-essential chrpath">
 <!ENTITY FEDORA_HOST_PACKAGES_ESSENTIAL "gawk make wget tar bzip2 gzip python unzip perl patch \
      diffutils diffstat git cpp gcc gcc-c++ glibc-devel texinfo chrpath \
-     ccache perl-Data-Dumper perl-Text-ParseWords">
+     ccache perl-Data-Dumper perl-Text-ParseWords perl-Thread-Queue">
 <!ENTITY OPENSUSE_HOST_PACKAGES_ESSENTIAL "python gcc gcc-c++ git chrpath make wget python-xml \
      diffstat texinfo python-curses patch">
 <!ENTITY CENTOS_HOST_PACKAGES_ESSENTIAL "gawk make wget tar bzip2 gzip python unzip perl patch \
diff --git a/documentation/ref-manual/introduction.xml b/documentation/ref-manual/introduction.xml
index bcac4c750f..4478dcbd2b 100644
--- a/documentation/ref-manual/introduction.xml
+++ b/documentation/ref-manual/introduction.xml
@@ -226,7 +226,7 @@
                     <listitem><para><emphasis>Graphical Extras:</emphasis>
                         Packages recommended if the host system has graphics support:
                         <literallayout class='monospaced'>
-     $ sudo yum install SDL-devel xterm
+     $ sudo yum install SDL-devel xterm perl-Thread-Queue
                         </literallayout></para></listitem>
                     <listitem><para><emphasis>Documentation:</emphasis>
                         Packages needed if you are going to build out the