diff --git a/misc/jmri/jmri.SlackBuild b/misc/jmri/jmri.SlackBuild
index a9d22610d7..9ed2dfdd18 100644
--- a/misc/jmri/jmri.SlackBuild
+++ b/misc/jmri/jmri.SlackBuild
@@ -3,7 +3,7 @@
 # Slackware build script for JMRI
 
 # Copyright 2011 David Spencer, Baildon, West Yorkshire, U.K.
-# Copyright 2016-2018 Heiko Rosemann, Germany
+# Copyright 2016-2020 Heiko Rosemann, Germany
 
 # All rights reserved.
 #
@@ -25,8 +25,8 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=jmri
-VERSION=${VERSION:-4.18}
-REVISION=${REVISION:-R37ad3d0}
+VERSION=${VERSION:-4.20}
+REVISION=${REVISION:-Rc7ba8249b}
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
diff --git a/misc/jmri/jmri.info b/misc/jmri/jmri.info
index 314a14f3b4..3ec502b2b4 100644
--- a/misc/jmri/jmri.info
+++ b/misc/jmri/jmri.info
@@ -1,8 +1,8 @@
 PRGNAM="jmri"
-VERSION="4.18"
+VERSION="4.20"
 HOMEPAGE="http://jmri.org/"
-DOWNLOAD="https://github.com/JMRI/JMRI/releases/download/v4.18/JMRI.4.18+R37ad3d0.tgz"
-MD5SUM="f14a2affe383eb0d2ff0ac0099c2d054"
+DOWNLOAD="https://github.com/JMRI/JMRI/releases/download/v4.20/JMRI.4.20+Rc7ba8249b.tgz"
+MD5SUM="b0915ad2acd71426c2b3301100cfd5d4"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="jdk"