diff --git a/pkgs/development/python-modules/pytest-flake8/default.nix b/pkgs/development/python-modules/pytest-flake8/default.nix
index 2ad44c4e8066..558fe32b909d 100644
--- a/pkgs/development/python-modules/pytest-flake8/default.nix
+++ b/pkgs/development/python-modules/pytest-flake8/default.nix
@@ -2,7 +2,7 @@
 
 buildPythonPackage rec {
   pname = "pytest-flake8";
-  version = "1.0.1";
+  version = "1.0.2";
 
   # although pytest is a runtime dependency, do not add it as
   # propagatedBuildInputs in order to allow packages depend on another version
@@ -12,16 +12,13 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0s5fdivrmhjf6ybr6m2qb1h8hndv2jh2ir29qv36lhy9b7sc9kg5";
+    sha256 = "c740ad6aa19e3958947d2118f70bed218caf1d2097039fb7318573a2a72f89a1";
   };
 
   checkPhase = ''
-    pytest . -k "not test_mtime_caching"
+    pytest .
   '';
 
-  # https://github.com/tholo/pytest-flake8/issues/49
-  doCheck = false;
-
   meta = {
     description = "py.test plugin for efficiently checking PEP8 compliance";
     homepage = https://github.com/tholo/pytest-flake8;