diff --git a/base/Dockerfile b/base/Dockerfile
index 97d89569cffb415494b6de10ae3fb5957be5df27..d6e14a379ec71e692fb75da8a10ae57c88c87ef3 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -37,9 +37,6 @@ RUN ln -s /mnt/user/shared /opt/app-root/src/shared
 
 ENV HOME=/opt/app-root/src/
 
-# temporarily downgrade pip to avoid failing build because of dependency conflicts (TODO: fix)
-RUN pip install pip==20.0.2
-
 # install pip packages
 COPY base/requirements.txt /tmp
 RUN pip install --no-cache-dir -r /tmp/requirements.txt
@@ -51,9 +48,7 @@ RUN jupyter labextension disable ipcluster \
 # install additional labextensions (TODO: install with pip, if possible)
 RUN jupyter labextension install --no-build \
                              clb-jupyter-ext-query-params-dev@3.2.0 \
-                             clb-lab-extension@0.9.2 \
-                             ipycanvas@0.12.0
-# ipycanvas@0.12.0: Python part installed via spack (py-ipycanvas@0.12.0)
+                             clb-lab-extension@0.9.2
 
 RUN jupyter lab build
 
diff --git a/base/requirements.txt b/base/requirements.txt
index 59f75d92402ebe2eaa8db7d9aff808def0c7b8c3..2c03309db058d399818c914567c3e2703c6e7562 100644
--- a/base/requirements.txt
+++ b/base/requirements.txt
@@ -1,22 +1,11 @@
-bokeh==2.4.2
-ipympl==0.8.5
-ipywidgets==7.6.5
-jupyterlab-widgets==1.0.2
-jupyterlab-topbar==0.6.1
+git+https://github.com/HumanBrainProject/clb-nb-utils.git
+ipympl==0.8.8
+ipywidgets==7.7.0
+jupyterlab==3.4.8
+jupyterlab-git==0.44.0
 jupyterlab-system-monitor==0.8.0
-jupyterlab-git==0.34.1
-nbdime==3.1.1
-nbgitpuller==1.0.2
+jupyterlab-topbar==0.6.1
+jupyterlab-widgets==1.1.11
+nbdime==3.2.1
+nbgitpuller==1.2.2
 nbresuse==0.4.0
-nglview==3.0.3
-pyOpenSSL==22.0.0 # TODO: Issue with 22.1 https://github.com/pyca/pyopenssl/issues/1154
-requests-oauthlib==1.3.0
-rise==5.7.1
-tvb-ext-bucket==1.0.0
-tvb-ext-unicore==1.2.0
-tvb-widgets==1.5.0
-tvb-ext-xircuits==1.1.0
-vincent==0.4.4
-widgetsnbextension==3.5.2
-xlrd==2.0.1
-git+https://github.com/HumanBrainProject/clb-nb-utils.git