diff --git a/requirements-dev.txt b/requirements-dev.txt
index fec6285..ee6cac1 100755
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,27 +1,27 @@
-aiohttp==3.4.4
-attrs==18.2.0
-bandit==1.5.1
-flake8==3.5.0
-flake8-bugbear==18.8.0
+aiohttp==3.6.1
+attrs==19.2.0
+bandit==1.6.2
+flake8==3.7.8
+flake8-bugbear==19.8.0
 flake8-builtins-unleashed==1.3.1
 flake8-class-newline==1.6.0
-flake8-comprehensions==1.4.1
+flake8-comprehensions==2.2.0
 flake8-debugger==3.1.0
 flake8-mutable==1.2.0
-flake8-pyi==18.3.1
-flake8-quotes==1.0.0
-flake8-tuple==0.2.13
-ipdb==0.11
-jsonschema==2.6.0
-mypy==0.641
-pandas==0.23.4
-pyroma==2.4
+flake8-pyi==19.3.0
+flake8-quotes==2.1.0
+flake8-tuple==0.4.0
+ipdb==0.12.2
+jsonschema==3.0.2
+mypy==0.730
+pandas==0.25.1
+pyroma==2.5
 pytest-aiohttp==0.3.0
-pytest-asyncio==0.9.0
-pytest-cov==2.6.0
-pytest-sugar==0.9.1
-pytest==3.8.2
+pytest-asyncio==0.10.0
+pytest-cov==2.8.1
+pytest-sugar==0.9.2
+pytest==5.2.1
 trafaret==1.2.0
-scipy==1.1.0
-scikit-learn==0.20.0
+scipy==1.3.1
+scikit-learn==0.21.3
 -e .