diff --git a/docs/etc/requirements.txt b/docs/etc/requirements.txt
index b8b69bb..5b037c6 100644
--- a/docs/etc/requirements.txt
+++ b/docs/etc/requirements.txt
@@ -1,25 +1,22 @@
 alabaster==0.7.12
-Babel==2.6.0
-certifi==2019.3.9
+Babel==2.8.0
+certifi==2019.11.28
 chardet==3.0.4
-commonmark==0.9.0
-docutils==0.14
-future==0.17.1
+commonmark==0.9.1
+docutils==0.16
 idna==2.8
-imagesize==1.1.0
-Jinja2==2.10.1
-Markdown==2.6.11
+imagesize==1.2.0
+Jinja2==2.10.3
 MarkupSafe==1.1.1
-packaging==19.0
-Pygments==2.4.0
-pyparsing==2.4.0
-pytz==2019.1
-recommonmark==0.5.0
-requests==2.21.0
-six==1.12.0
-snowballstemmer==1.2.1
-Sphinx==2.0.1
-sphinx-markdown-tables==0.0.9
+packaging==20.0
+Pygments==2.5.2
+pyparsing==2.4.6
+pytz==2019.3
+recommonmark==0.6.0
+requests==2.22.0
+six==1.14.0
+snowballstemmer==2.0.0
+Sphinx==2.3.1
 sphinx-rtd-theme==0.4.3
 sphinxcontrib-applehelp==1.0.1
 sphinxcontrib-devhelp==1.0.1
@@ -27,5 +24,4 @@
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
-sphinxcontrib-spelling==4.3.0
-urllib3==1.24.3
+urllib3==1.25.8