diff --git a/pkgs/development/python-modules/dask/default.nix b/pkgs/development/python-modules/dask/default.nix
index 55ba3ad6ba7f..b51ac1701a2e 100644
--- a/pkgs/development/python-modules/dask/default.nix
+++ b/pkgs/development/python-modules/dask/default.nix
@@ -2,7 +2,6 @@
 , stdenv
 , bokeh
 , buildPythonPackage
-, fetchpatch
 , fetchFromGitHub
 , fsspec
 , pytestCheckHook
@@ -21,14 +20,14 @@
 
 buildPythonPackage rec {
   pname = "dask";
-  version = "2021.03.0";
+  version = "2021.06.1";
   disabled = pythonOlder "3.5";
 
   src = fetchFromGitHub {
     owner = "dask";
     repo = pname;
     rev = version;
-    sha256 = "LACv7lWpQULQknNGX/9vH9ckLsypbqKDGnsNBgKT1eI=";
+    sha256 = "sha256-wrUqLSmlKhd0NSjWBwbow8aX53ZBTgl2n4lEmvxC3bs=";
   };
 
   propagatedBuildInputs = [
@@ -54,16 +53,6 @@ buildPythonPackage rec {
 
   dontUseSetuptoolsCheck = true;
 
-  patches = [
-    # dask dataframe cannot be imported in sandboxed builds
-    # See https://github.com/dask/dask/pull/7601
-    (fetchpatch {
-      url = "https://github.com/dask/dask/commit/9ce5b0d258cecb3ef38fd844135ad1f7ac3cea5f.patch";
-      sha256 = "sha256-1EVRYwAdTSEEH9jp+UOnrijzezZN3iYR6q6ieYJM3kY=";
-      name = "fix-dask-dataframe-imports-in-sandbox.patch";
-    })
-  ];
-
   postPatch = ''
     # versioneer hack to set version of github package
     echo "def get_versions(): return {'dirty': False, 'error': None, 'full-revisionid': None, 'version': '${version}'}" > dask/_version.py
@@ -82,6 +71,12 @@ buildPythonPackage rec {
     # this test requires features of python3Packages.psutil that are
     # blocked in sandboxed-builds
     "test_auto_blocksize_csv"
+  ] ++ [
+    # A deprecation warning from newer sqlalchemy versions makes these tests
+    # to fail https://github.com/dask/dask/issues/7406
+    "test_sql"
+    # Test interrupt fails intermittently https://github.com/dask/dask/issues/2192
+    "test_interrupt"
   ];
 
   __darwinAllowLocalNetworking = true;