diff --git a/.README.bbcode b/.README.bbcode
index 80d31e9..fc6dc24 100644
--- a/.README.bbcode
+++ b/.README.bbcode
@@ -27,7 +27,7 @@ $ installJRMC --help
 --compat
     Build/install MC locally without minimum dependency version requirements.
 --mcversion VERSION
-    Specify the MC version, ex. "36.0.14" or "35" (default: latest release).
+    Specify the MC version, ex. "36.0.20" or "35" (default: latest release).
 --arch ARCH
     Specify the target MC architecture, ex. "amd64", "arm64", etc (default: host).
 --mcrepo REPO
@@ -128,8 +128,8 @@ Install the latest version of MC33 from the best available repository with debug
 Install a more widely-compatible version of the latest MC version.
 [code]installJRMC --install repo --service jriver-mediacenter --service-type user[/code]
 Install MC from the repository and start/enable jriver-mediacenter.service as a user service.
-[code]installJRMC --install local --compat --restorefile /path/to/license.mjr --mcversion 36.0.14[/code]
-Build and install an MC 36.0.14 comptability RPM locally and activate it using the [tt]/path/to/license.mjr[/tt].
+[code]installJRMC --install local --compat --restorefile /path/to/license.mjr --mcversion 36.0.20[/code]
+Build and install an MC 36.0.20 comptability RPM locally and activate it using the [tt]/path/to/license.mjr[/tt].
 [code]installJRMC --createrepo --createrepo-webroot /srv/jriver/repo --webroot-user www-user[/code]
 Build an RPM locally for the current distro, move it to the webroot, and run createrepo as www-user.
 [code]installJRMC --service jriver-createrepo --createrepo-webroot /srv/jriver/repo --webroot-user www-user[/code]
diff --git a/README.md b/README.md
index 19d74c6..ca698c8 100755
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ OPTIONS
   --compat
     Build/install MC locally without minimum dependency version requirements.
   --mcversion VERSION
-    Specify the MC version, ex. "36.0.14" or "35" (default: latest release).
+    Specify the MC version, ex. "36.0.20" or "35" (default: latest release).
   --arch VERSION
     Specify the target MC architecture, ex. "amd64", "arm64", etc (default: host).
   --mcrepo REPO
@@ -143,9 +143,9 @@ Multiple services (but not `--service-types`) can be installed using multiple `-
 
     Install MC from the repository and start/enable `jriver-mediacenter.service` as a user service.
 
-* `installJRMC --install local --compat --restorefile /path/to/license.mjr --mcversion 36.0.14`
+* `installJRMC --install local --compat --restorefile /path/to/license.mjr --mcversion 36.0.20`
 
-    Build and install an MC 36.0.14 compatibility RPM locally and activate it using the `/path/to/license.mjr`.
+    Build and install an MC 36.0.20 compatibility RPM locally and activate it using the `/path/to/license.mjr`.
 
 * `installJRMC --createrepo --createrepo-webroot /srv/jriver/repo --webroot-user www-user`
 
diff --git a/installJRMC b/installJRMC
index 39b626a..97f678a 100755
--- a/installJRMC
+++ b/installJRMC
@@ -23,7 +23,7 @@
 shopt -s extglob
 
 declare -g SCRIPT_VERSION="1.36.1-dev"
-declare -g MC_VERSION_HARDCODE="36.0.14" # do find all replace
+declare -g MC_VERSION_HARDCODE="36.0.20" # do find all replace
 declare -g MC_REPO_HARDCODE="bookworm" # should match the MC_VERSION_HARDCODE
 declare -g BOARD_ID="95.0" # MC36 board ID for fallback latest version detection
 declare -gi SELF_UPDATE_SWITCH=1 # 0 to disable installJRMC self-update
@@ -440,7 +440,14 @@ init() {
     # Append explicit package version when user provides --mcversion
     case $ID in
       fedora|centos|suse|mandriva) MC_PKG+="-$MC_VERSION" ;;
-      debian|ubuntu) MC_PKG+="=$MC_VERSION" ;;
+      debian|ubuntu)
+        # ARM packages append arch to the package name and version
+        if [[ $MC_ARCH == "arm64" || $MC_ARCH == "armhf" ]]; then
+          MC_PKG+=":${MC_ARCH}=${MC_VERSION}-${MC_ARCH}"
+        else
+          MC_PKG+="=$MC_VERSION"
+        fi
+        ;;
     esac
   fi
 }
@@ -2240,7 +2247,7 @@ create_mc_apt_container() {
 			Signed-By: /usr/share/keyrings/jriver-com-archive-keyring.gpg
 			Suites: $MC_REPO
 			Components: main
-			Architectures: $MC_ARCH
+			Architectures: amd64 armhf arm64
 		EOF
     apt-get update -qq' &&
   # If user passes command strings run them in the container