diff --git a/recipes-core/images/nmrouter-image.bb b/recipes-core/images/nmrouter-image.bb
index 21c63fc..6e436e1 100644
--- a/recipes-core/images/nmrouter-image.bb
+++ b/recipes-core/images/nmrouter-image.bb
@@ -43,6 +43,7 @@ IMAGE_INSTALL_append = " \
                 board-descriptor \
                 sw-update \
                 python-pip \
+                rng-tools \
                 ${FIRMWARE} \
                 "