diff --git a/Dockerfile b/Dockerfile
index f7278aa..be28506 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ RUN gcc -static -o membarrier_check membarrier_check.c
 RUN strip membarrier_check
 
 # Pull base image.
-FROM jlesage/baseimage-gui:alpine-3.17-v4.2.2
+FROM jlesage/baseimage-gui:alpine-3.17-v4.3.1
 
 # Docker image version is provided via build arg.
 ARG DOCKER_IMAGE_VERSION=
diff --git a/rootfs/etc/jwm/main-window-selection.jwmrc b/rootfs/etc/jwm/main-window-selection.jwmrc
deleted file mode 100644
index 002f074..0000000
--- a/rootfs/etc/jwm/main-window-selection.jwmrc
+++ /dev/null
@@ -1,2 +0,0 @@
-<Type>normal</Type>
-<Name>^Navigator</Name>
diff --git a/rootfs/etc/openbox/main-window-selection.xml b/rootfs/etc/openbox/main-window-selection.xml
new file mode 100644
index 0000000..5f5ba60
--- /dev/null
+++ b/rootfs/etc/openbox/main-window-selection.xml
@@ -0,0 +1,2 @@
+<Type>normal</Type>
+<Name>Navigator</Name>