diff --git a/Dockerfile b/Dockerfile
index 6c8d4b28..1715b36f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,6 +13,10 @@ RUN \
 RUN groupadd -g 1000 arm \
     && useradd -rm -d /home/arm -s /bin/bash -g arm -G video,cdrom -u 1000 arm
 
+# enable support for Arch Linux and derivatives, who use a different user group for optical drive permissions
+RUN groupadd -g 990 optical \
+    && usermod -aG optical arm
+
 # set the default environment variables
 # UID and GID are not settable as of https://github.com/phusion/baseimage-docker/pull/86, as doing so would
 # break multi-account containers
diff --git a/VERSION b/VERSION
index 26aaba0e..6085e946 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.0
+1.2.1