diff --git a/pkgs/development/python-modules/dask-image/default.nix b/pkgs/development/python-modules/dask-image/default.nix
index 48a6a73af676..f119cf2b0b8b 100644
--- a/pkgs/development/python-modules/dask-image/default.nix
+++ b/pkgs/development/python-modules/dask-image/default.nix
@@ -1,25 +1,43 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 , dask
 , numpy, toolz # dask[array]
 , scipy
 , pims
 , pytest
+, pytest-flake8
 , scikitimage
 }:
 
 buildPythonPackage rec {
-  version = "0.2.0";
+  version = "0.3.0";
   pname = "dask-image";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "bece2ea347f963dc0168c7d5fdfd11e51b47d9c857d3bc56144d7c146964a23f";
+    sha256 = "15svy8y57i30878pijyd0pxn10bnk7ffmmgwva5rpip4b7grsgv0";
   };
 
-  checkInputs = [ pytest scikitimage ];
+  nativeBuildInputs = [ pytest-flake8 ];
   propagatedBuildInputs = [ dask numpy toolz scipy pims ];
+  checkInputs = [
+    pytest
+    scikitimage
+  ];
+
+  # ignore errors from newer versions of flake8
+  prePatch = ''
+    substituteInPlace setup.cfg \
+      --replace "docs/conf.py,versioneer.py" \
+        "docs/conf.py,versioneer.py,dask_image/ndfilters/_utils.py"
+  '';
+
+  # scikit.external is not exported
+  checkPhase = ''
+    pytest --ignore=tests/test_dask_image/
+  '';
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/dask/dask-image";