diff --git a/pkgs/development/python-modules/black/default.nix b/pkgs/development/python-modules/black/default.nix
index f17f94387f3..6a2ed87162b 100644
--- a/pkgs/development/python-modules/black/default.nix
+++ b/pkgs/development/python-modules/black/default.nix
@@ -1,18 +1,20 @@
 { stdenv, buildPythonPackage, fetchPypi, pythonOlder
 , attrs, click, toml, appdirs, aiohttp, aiohttp-cors
-, glibcLocales, pytest }:
+, glibcLocales, typed-ast, pathspec, regex
+, setuptools_scm, pytest }:
 
 buildPythonPackage rec {
   pname = "black";
-  version = "19.3b0";
+  version = "19.10b0";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "073kd5rs02lisp6n3h7yai9lix520xnaa6c7rdmp2sci9pyhz5b8";
+    sha256 = "0f8mr0yzj78q1dx7v6ggbgfir2wv0n5z2shfbbvfdq7910xbgvf2";
   };
 
+  buildInputs = [ setuptools_scm ];
   checkInputs =  [ pytest glibcLocales ];
 
   # Necessary for the tests to pass on Darwin with sandbox enabled.
@@ -22,12 +24,11 @@ buildPythonPackage rec {
   # Don't know why these tests fails
   checkPhase = ''
     LC_ALL="en_US.UTF-8" pytest \
-      --deselect tests/test_black.py::BlackTestCase::test_expression_diff \
       --deselect tests/test_black.py::BlackTestCase::test_cache_multiple_files \
       --deselect tests/test_black.py::BlackTestCase::test_failed_formatting_does_not_get_cached
   '';
 
-  propagatedBuildInputs = [ attrs appdirs click toml aiohttp aiohttp-cors ];
+  propagatedBuildInputs = [ attrs appdirs click toml aiohttp aiohttp-cors pathspec regex typed-ast ];
 
   meta = with stdenv.lib; {
     description = "The uncompromising Python code formatter";