diff --git a/openmptcprouter-full/Makefile b/openmptcprouter-full/Makefile
index 68042d398..845af485c 100644
--- a/openmptcprouter-full/Makefile
+++ b/openmptcprouter-full/Makefile
@@ -42,6 +42,7 @@ MY_DEPENDS := \
     omr-update \
     openvpn-openssl \
     kmod-rt2800-usb libimobiledevice \
+    rng-tools \
     kmod-rtl8xxxu kmod-rtl8192cu kmod-net-rtl8192su comgt kmod-usb-serial kmod-usb-serial-option kmod-usb-serial-wwan usb-modeswitch uqmi adb-enablemodem umbim kmod-mii kmod-usb-net kmod-usb-wdm kmod-usb-net-qmi-wwan kmod-usb-net-cdc-mbim
 
 OMR_SUPPORTED_LANGS := ca zh-cn en fr de el he hu it ja ms no pl pt-br pt ro ru es sv uk vi