diff --git a/base-notebook/Dockerfile b/base-notebook/Dockerfile
index a8b6018..926cc65 100644
--- a/base-notebook/Dockerfile
+++ b/base-notebook/Dockerfile
@@ -5,7 +5,7 @@ ARG JHUB_HASH_COMMIT=f3c3225124f1c5d9acb2503ec4d9c35a140f6a78
 
 ENV JHUB_CONFIG=$JHUB_CONFIG
 ENV JHUB_HASH_COMMIT=$JHUB_HASH_COMMIT
-ENV JUPYTER_ENABLE_LAB=yes
+ENV JUPYTER_ENABLE_LAB=no
 ENV RESTARTABLE=yes
 
 USER root
diff --git a/base-notebook/jupyter_notebook_config.py b/base-notebook/jupyter_notebook_config.py
index 55d8957..98e6a44 100644
--- a/base-notebook/jupyter_notebook_config.py
+++ b/base-notebook/jupyter_notebook_config.py
@@ -4,4 +4,4 @@
 # load base config
 load_subconfig('/etc/jupyter/jupyter_notebook_config_base.py')
 
-c.NotebookApp.default_url = '/lab'
+c.NotebookApp.default_url = '/tree'
diff --git a/grader-notebook/Dockerfile b/grader-notebook/Dockerfile
index 3a03338..43e5546 100644
--- a/grader-notebook/Dockerfile
+++ b/grader-notebook/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=illumidesk/base-notebook:v0.1.5
+ARG BASE_IMAGE=illumidesk/base-notebook:latest
 FROM $BASE_IMAGE
 
 ARG USER_ROLE=Grader
diff --git a/instructor-notebook/Dockerfile b/instructor-notebook/Dockerfile
index 1f02185..1daa364 100644
--- a/instructor-notebook/Dockerfile
+++ b/instructor-notebook/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=illumidesk/base-notebook:v0.1.5
+ARG BASE_IMAGE=illumidesk/base-notebook:latest
 FROM $BASE_IMAGE
 
 ARG USER_ROLE=Instructor
diff --git a/learner-notebook/Dockerfile b/learner-notebook/Dockerfile
index e5bae12..014ca3f 100644
--- a/learner-notebook/Dockerfile
+++ b/learner-notebook/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=illumidesk/base-notebook:v0.1.5
+ARG BASE_IMAGE=illumidesk/base-notebook:latest
 FROM $BASE_IMAGE
 
 ARG USER_ROLE=Learner
diff --git a/rstudio/Dockerfile b/rstudio/Dockerfile
index 14f57c6..b91fb67 100644
--- a/rstudio/Dockerfile
+++ b/rstudio/Dockerfile
@@ -1,4 +1,4 @@
-FROM illumidesk/base-notebook:v0.1.5 AS base
+FROM illumidesk/base-notebook:latest AS base
 
 FROM illumidesk/r-conda:latest
 
diff --git a/theia/Dockerfile b/theia/Dockerfile
index e21b7c3..445cd18 100644
--- a/theia/Dockerfile
+++ b/theia/Dockerfile
@@ -33,7 +33,7 @@ RUN yarn \
 RUN npm run build-deb
 
 # transfer debian package to a new clean image and install theia
-FROM illumidesk/base-notebook:v0.1.5
+FROM illumidesk/base-notebook:latest
 
 ENV NODE_OPTIONS="--max_old_space_size=4096"
 ENV NODE_VERSION=10.21.0
diff --git a/vscode/Dockerfile b/vscode/Dockerfile
index 13c7127..412edcb 100644
--- a/vscode/Dockerfile
+++ b/vscode/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=illumidesk/base-notebook:v0.1.5
+ARG BASE_IMAGE=illumidesk/base-notebook:latest
 FROM $BASE_IMAGE
 
 USER root