diff --git a/build-rtmgr-ubuntu.sh b/build-rtmgr-ubuntu.sh
index 26956fa..c246f77 100755
--- a/build-rtmgr-ubuntu.sh
+++ b/build-rtmgr-ubuntu.sh
@@ -20,7 +20,7 @@
 
 echo "--> rtmgr-build-ubuntu.sh"
 curdir=`pwd`
-RMRVERSION=4.0.5
+RMRVERSION=4.1.2
 wget --content-disposition https://packagecloud.io/o-ran-sc/staging/packages/debian/stretch/rmr_${RMRVERSION}_amd64.deb/download.deb && sudo dpkg -i rmr_${RMRVERSION}_amd64.deb && rm -rf rmr_${RMRVERSION}_amd64.deb
 wget --content-disposition https://packagecloud.io/o-ran-sc/staging/packages/debian/stretch/rmr-dev_${RMRVERSION}_amd64.deb/download.deb && sudo dpkg -i rmr-dev_${RMRVERSION}_amd64.deb && rm -rf rmr-dev_${RMRVERSION}_amd64.deb