diff --git a/requirements.txt b/requirements.txt
index c57f4d0..07c2f90 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,8 @@
 ansiwrap==0.8.4
+appdirs==1.4.3
 attrs==19.1.0
 backcall==0.1.0
+black==19.10b0
 bleach==3.1.0
 certifi==2019.6.16
 chardet==3.0.4
@@ -13,57 +15,62 @@ entrypoints==0.3
 future==0.17.1
 idna==2.8
 importlib-resources==1.0.2
-ipykernel==5.1.1
-ipython==7.7.0
+ipykernel==5.1.3
+ipython==7.11.1
 ipython-genutils==0.2.0
 ipywidgets==7.5.1
-jedi==0.14.1
-Jinja2==2.10.1
-jsonschema==3.0.2
+jedi==0.15.2
+Jinja2==2.10.3
+jsonschema==3.2.0
 jupyter==1.0.0
-jupyter-client==5.3.1
-jupyter-console==6.0.0
-jupyter-core==4.5.0
+jupyter-client==5.3.4
+jupyter-console==6.1.0
+jupyter-core==4.6.1
 jupytex==0.0.3
 kiwisolver==1.1.0
+Markdown==3.1.1
 MarkupSafe==1.1.1
-matplotlib==3.1.1
+matplotlib==3.1.2
 mistune==0.8.4
-nbconvert==5.5.0
-nbformat==4.4.0
-notebook==6.0.0
-numpy==1.17.0
-pandas==0.25.0
+nbconvert==5.6.1
+nbformat==5.0.3
+notebook==6.0.3
+numpy==1.18.1
+pandas==0.25.3
 pandocfilters==1.4.2
-papermill==1.0.1
-parso==0.5.1
-pexpect==4.7.0
+papermill==1.2.1
+parso==0.5.2
+pathspec==0.7.0
+pexpect==4.8.0
 pickleshare==0.7.5
 prometheus-client==0.7.1
-prompt-toolkit==2.0.9
+prompt-toolkit==1.0.14
 ptyprocess==0.6.0
-Pygments==2.4.2
-pyparsing==2.4.2
-pyrsistent==0.15.4
+Pygments==2.5.2
+PyInquirer==1.0.3
+pyparsing==2.4.6
+pyrsistent==0.15.7
 python-dateutil==2.8.0
-pytz==2019.2
-PyYAML==5.1.2
-pyzmq==18.0.2
-qtconsole==4.5.2
--e git+git_opytex:/lafrite/recopytex.git@e9a8310f151ead60434ae944d726a2fd22b23d06#egg=Recopytex
+pytz==2019.3
+PyYAML==5.3
+pyzmq==18.1.1
+qtconsole==4.6.0
+-e git+git_opytex:/lafrite/recopytex.git@7e026bedb24c1ca8bef3b71b3d63f8b0d6916e81#egg=Recopytex
+regex==2020.1.8
 requests==2.22.0
-scipy==1.3.0
-seaborn==0.9.0
+scipy==1.4.1
 Send2Trash==1.5.0
 six==1.12.0
-tenacity==5.0.4
-terminado==0.8.2
-testpath==0.4.2
+tenacity==6.0.0
+terminado==0.8.3
+testpath==0.4.4
 textwrap3==0.9.2
+toml==0.10.0
 tornado==6.0.3
-tqdm==4.32.2
+tqdm==4.41.1
 traitlets==4.3.2
-urllib3==1.25.3
-wcwidth==0.1.7
+typed-ast==1.4.1
+urllib3==1.25.8
+wcwidth==0.1.8
 webencodings==0.5.1
 widgetsnbextension==3.5.1