diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4dc2302..2df1852 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,12 +1,12 @@
 -e .
 bumpversion==0.5.3
-django-oauth-toolkit==1.0.0
-djangorestframework==3.8.2
-flake8==3.5.0
-isort==4.3.4
+django-oauth-toolkit==1.2.0
+djangorestframework==3.10.3
+flake8==3.7.8
+isort==4.3.21
 mkdocs==1.0.4
-mock==2.0.0
+mock==3.0.5
 model-mommy==1.6.0
-pytest-cov==2.6.0
-pytest-django==3.4.3
-pytest==3.8.2
+pytest-cov==2.8.1
+pytest-django==3.5.1
+pytest==5.2.1