diff --git a/pkgs/development/python-modules/fsspec/default.nix b/pkgs/development/python-modules/fsspec/default.nix
index a20b00087b7..3f866c29121 100644
--- a/pkgs/development/python-modules/fsspec/default.nix
+++ b/pkgs/development/python-modules/fsspec/default.nix
@@ -4,18 +4,20 @@
 , pythonOlder
 , pytestCheckHook
 , numpy
+, stdenv
+, isPy38
 }:
 
 buildPythonPackage rec {
   pname = "fsspec";
-  version = "0.7.4";
+  version = "0.8.3";
   disabled = pythonOlder "3.5";
 
   src = fetchFromGitHub {
     owner = "intake";
     repo = "filesystem_spec";
     rev = version;
-    sha256 = "0ylslmkzc803050yh8dl6cagabb9vrygz6w2zsmglzn4v9sz6jgd";
+    sha256 = "0mfy0wxjfwwnp5q2afhhfbampf0fk71wsv512pi9yvrkzzfi1hga";
   };
 
   checkInputs = [
@@ -27,6 +29,8 @@ buildPythonPackage rec {
     # Test assumes user name is part of $HOME
     # AssertionError: assert 'nixbld' in '/homeless-shelter/foo/bar'
     "test_strip_protocol_expanduser"
+  ] ++ lib.optionals (stdenv.isDarwin && isPy38) [
+    "test_modified" # fails on hydra, works locally
   ];
 
   meta = with lib; {