diff --git a/requirements.txt b/requirements.txt
index cb1f18c..e2af4ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,59 +1,55 @@
 appnope==0.1.0
-asn1crypto==0.24.0
-attrs==19.1.0
+attrs==19.3.0
 backcall==0.1.0
 bleach==3.1.0
-certifi==2019.9.11
-cffi==1.12.3
+certifi==2019.11.28
 chardet==3.0.4
-cryptography==2.7
-decorator==4.4.0
+decorator==4.4.1
 defusedxml==0.6.0
 Django==1.11.8
-django-refs==0.1
 entrypoints==0.3
 idna==2.8
-ipykernel==5.1.2
-ipython==7.8.0
+importlib-metadata==1.3.0
+ipykernel==5.1.3
+ipython==7.10.2
 ipython-genutils==0.2.0
 ipywidgets==7.5.1
 jedi==0.15.1
-Jinja2==2.10.1
-jsonschema==3.0.2
+Jinja2==2.10.3
+jsonschema==3.2.0
 jupyter==1.0.0
-jupyter-client==5.3.3
-jupyter-console==6.0.0
-jupyter-core==4.5.0
+jupyter-client==5.3.4
+jupyter-console==5.2.0
+jupyter-core==4.6.1
 MarkupSafe==1.1.1
 mistune==0.8.4
-mysqlclient==1.4.4
-nbconvert==5.6.0
+more-itertools==7.2.0
+mysqlclient==1.4.6
+nbconvert==5.6.1
 nbformat==4.4.0
-notebook==6.0.1
+notebook==6.0.2
 pandocfilters==1.4.2
-parso==0.5.1
+parso==0.5.2
 pexpect==4.7.0
 pickleshare==0.7.5
 prometheus-client==0.7.1
-prompt-toolkit==2.0.9
+prompt-toolkit==3.0.2
 ptyprocess==0.6.0
-pycparser==2.19
-Pygments==2.4.2
-pyOpenSSL==19.0.0
-pyrsistent==0.15.4
-PySocks==1.7.1
-python-dateutil==2.8.0
-pytz==2019.2
+Pygments==2.5.2
+pyrsistent==0.15.6
+python-dateutil==2.8.1
+pytz==2019.3
 pyzmq==18.1.0
-qtconsole==4.5.5
+qtconsole==4.6.0
 requests==2.22.0
 Send2Trash==1.5.0
-six==1.12.0
-terminado==0.8.2
-testpath==0.4.2
+six==1.13.0
+terminado==0.8.3
+testpath==0.4.4
 tornado==6.0.3
-traitlets==4.3.2
-urllib3==1.24.2
+traitlets==4.3.3
+urllib3==1.25.7
 wcwidth==0.1.7
 webencodings==0.5.1
 widgetsnbextension==3.5.1
+zipp==0.6.0