diff --git a/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-versions.inc b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-versions.inc
index 7290a67..45907b6 100644
--- a/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-versions.inc
+++ b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-versions.inc
@@ -4,6 +4,7 @@
 
 # Set PREFERRED_VERSION_<PN> here for platform packages for which the layers provide multiple versions.
 
+PREFERRED_VERSION_cppunit ?= "1.14.0"
 PREFERRED_VERSION_linux-raspberrypi ?= "4.4%"
 # Match kernel version of raspberrypi.
 PREFERRED_VERSION_linux-yocto ?= "4.4%"
diff --git a/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-recipe-blacklist.inc b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-recipe-blacklist.inc
index 6e2595e..2972f25 100644
--- a/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-recipe-blacklist.inc
+++ b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-recipe-blacklist.inc
@@ -4,7 +4,6 @@
 
 # Initially, blacklist any platform duplicates found by "bitbake-layers show-overlayed". Remove from the blacklist once a
 # PREFERRED_VERSION_<PN> setting is made in ros-distro-platform-preferred-versions.inc .
-PNBLACKLIST[cppunit] ?= "Must specify PREFERRED_VERSION"
 PNBLACKLIST[python-matplotlib] ?= "Must specify PREFERRED_VERSION"
 
 # Initially, blacklist any platform recipes with multiple versions found by "bitbake-layers show-recipes --multiple" (except for