diff --git a/work-environment.yml b/work-environment.yml
index 32ab35b..ee3e760 100644
--- a/work-environment.yml
+++ b/work-environment.yml
@@ -18,11 +18,11 @@ dependencies:
   - spyder
   - pillow
   - notebook
-  - jupyterthemes
-  - jupyter_contrib_nbextensions
-  - jupyter_nbextensions_configurator
+#  - jupyterthemes #not JupyterLab compatible
+#  - jupyter_contrib_nbextensions #not JupyterLab compatible
+#  - jupyter_nbextensions_configurator #not JupyterLab compatible
   - nbconvert
-  - nbdime
+#  - nbdime #allredy supported by git extention for jupyterlab
   - ipypublish
   - jupyter-book>=0.12.1
   - sqlalchemy~=1.3.12  # for jupyter-cache - try to update later...
@@ -30,8 +30,8 @@ dependencies:
   - cantera
   - h5py  
   - cvxpy
-  - jupyterlab
-  - jupyterlab-git
+#  - jupyterlab
+#  - jupyterlab-git
   - pip
   - pip:
     - impedance
@@ -39,12 +39,13 @@ dependencies:
     - pyschedule
     - pulp==2.0
     - ProcessScheduler
-  - rise
+#  - rise  #not JupyterLab compatible
   - plotly
-  - tqdm #easy to use progress bar: tqdm(iterable)
+  - jupyter_pivottablejs
+#  - blaze #blaze -> python[version='2.7.*|3.5.*|3.6.*'] (Your python: python=3.7)
+  - tqdm #easy to use progress bar -> tqdm(iterable)
   - odfpy #open OpenDocument spread sheed files with pandas
   - psycopg2 #PostgreSQL adapter
   - nmrglue #working with NMR data in Python
-  - jupyter_pivottablejs
-#  - blaze #blaze -> python[version='2.7.*|3.5.*|3.6.*'] (Your python: python=3.7)
-  - ipykernel
\ No newline at end of file
+  - ipykernel
+  - tabulate
\ No newline at end of file