diff --git a/requirements.txt b/requirements.txt
index 6b0c07a..2018e01 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,10 @@
 ansimarkup==1.4.0
+appdirs==1.4.3
 astroid==2.2.0
 attrs==19.3.0
 better-exceptions-fork==0.2.1.post6
-certifi==2019.6.16
+black==19.10b0
+certifi==2019.11.28
 cffi==1.12.2
 Click==7.0
 colorama==0.4.1
@@ -11,7 +13,9 @@ isort==4.3.9
 lazy-object-proxy==1.3.1
 mccabe==0.6.1
 more-itertools==8.2.0
+mypy-extensions==0.4.3
 packaging==20.1
+pathspec==0.7.0
 pluggy==0.13.1
 py==1.8.1
 pycparser==2.19
@@ -133,8 +137,11 @@ pyobjc-framework-Vision==6.1
 pyobjc-framework-WebKit==6.1
 pyparsing==2.4.6
 pytest==5.3.5
+regex==2020.2.20
 six==1.12.0
+toml==0.10.0
 typed-ast==1.4.1
+typing-extensions==3.7.4.1
 wcwidth==0.1.8
 wrapt==1.11.1
 xattr==0.9.7