Updates, put a cap on Sphinx.

Author: wsanchez

tox.ini

@@ -51,17 +51,17 @@ deps =
     {py26,py27}: typing==3.7.4.1
 
     # For pytest
-    {py26,py27,py34}: pytest==4.6.9
+    {py26,py27,py34}: pytest==4.6.11
     {py35,py36,py37,py38}: pytest==5.2.4
 
     # For code coverage
     {[testenv:coverage_report]deps}
-    pytest-cov==2.8.1
+    pytest-cov==2.10.0
 
     # For hypothesis. Note Python 3.4 isn't supported by hypothesis.
-    py27: hypothesis==4.43.3  # rq.filter: <4.44
-    {py35,py36,py37,py38,py39,py2,py3}: hypothesis==5.8.4
-    py27: mock==3.0.5
+    py27: hypothesis==4.43.9  # rq.filter: <4.44
+    {py35,py36,py37,py38,py39,py2,py3}: hypothesis==5.8.6
+    py27: mock==4.0.2
 
 setenv =
     {[default]setenv}
@@ -120,10 +120,10 @@ skip_install = True
 
 deps =
     flake8-bugbear==20.1.4
-    flake8==3.7.9
+    flake8==3.8.3
     mccabe==0.6.1
-    pep8-naming==0.10.0
-    pycodestyle==2.5.0
+    pep8-naming==0.11.1
+    pycodestyle==2.6.0
     pydocstyle==5.0.2
     # pin pyflakes pending a release with https://github.com/PyCQA/pyflakes/pull/455
     git+git://github.com/PyCQA/pyflakes@ffe9386#egg=pyflakes
@@ -183,7 +183,7 @@ description = run Mypy (static type checker)
 basepython = {[default]basepython}
 
 deps =
-    mypy==0.770
+    mypy==0.782
 
     {[default]deps}
 
@@ -275,7 +275,7 @@ skip_install = True
 
 deps =
     {[testenv:coverage_report]deps}
-    codecov==2.1.4
+    codecov==2.1.7
 
 passenv =
     # See https://github.com/codecov/codecov-python/blob/master/README.md#using-tox
@@ -318,7 +318,7 @@ basepython = {[default]basepython}
 
 deps =
     Sphinx==2.4.4
-    sphinx-rtd-theme==0.4.3
+    sphinx-rtd-theme==0.5.0
 
 commands =
     sphinx-build                           \
@@ -358,8 +358,8 @@ basepython = {[default]basepython}
 skip_install = True
 
 deps =
-   check-manifest==0.41
-   readme-renderer==25.0
+   check-manifest==0.42
+   readme-renderer==26.0
    twine==3.1.1
 
 commands =