diff --git a/requirements/development.txt b/requirements/development.txt
index 4b4e18e36d..a087868c40 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -1,19 +1,19 @@
 # requirements/development.txt
-Werkzeug==0.14.1
+Werkzeug==0.15.2
 
-django-debug-toolbar==1.9.1
-django-extensions==2.0.0
-django-rosetta==0.8.1
+django-debug-toolbar==1.11
+django-extensions==2.1.6
+django-rosetta==0.9.2
 
-flake8==3.5.0
+flake8==3.7.7
 
-ipython==5.5.0
+ipython==7.4.0
 
 readme==0.7.1
 
-safety==1.7.0
+safety==1.8.5
 
-transifex-client==0.13.1
+transifex-client==0.13.6
 
 -r build.txt
 -r testing-base.txt
diff --git a/requirements/documentation.txt b/requirements/documentation.txt
index 9ef2b18777..d8cba4655a 100644
--- a/requirements/documentation.txt
+++ b/requirements/documentation.txt
@@ -1,9 +1,9 @@
-Sphinx==1.7.1
+Sphinx==2.0.1
 
 sphinx-autobuild==0.7.1
-sphinx_rtd_theme==0.2.4
+sphinx_rtd_theme==0.4.3
 sphinxcontrib-blockdiag==1.5.5
-sphinxcontrib-spelling==4.2.0
+sphinxcontrib-spelling==4.2.1
 
 # sphinx-autobuild has a dependency on Tornado,
 # but Tornado 6.0 dropped support for Python 2.7
diff --git a/requirements/testing-base.txt b/requirements/testing-base.txt
index 8fa0edc4c0..5cc19f15fd 100644
--- a/requirements/testing-base.txt
+++ b/requirements/testing-base.txt
@@ -2,5 +2,5 @@ codecov==2.0.15
 coverage==4.4.1
 coveralls==1.3.0
 django-test-without-migrations==0.6
-tox==2.9.1
-psutil==5.4.3
+tox==3.8.6
+psutil==5.6.1