diff --git a/pkgs/development/python-modules/dask/default.nix b/pkgs/development/python-modules/dask/default.nix
index b8dfd8deb4a577..1b3a08aa99752f 100644
--- a/pkgs/development/python-modules/dask/default.nix
+++ b/pkgs/development/python-modules/dask/default.nix
@@ -3,7 +3,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , fsspec
-, pytest
+, pytestCheckHook
 , pythonOlder
 , cloudpickle
 , numpy
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "dask";
-  version = "2.10.1";
+  version = "2.14.0";
 
   disabled = pythonOlder "3.5";
 
@@ -23,13 +23,15 @@ buildPythonPackage rec {
     owner = "dask";
     repo = pname;
     rev = version;
-    sha256 = "035mr7385yf5ng5wf60qxr80529h8dsla5hymkyg68dxhkd0jvbr";
+    sha256 = "0kj46pwzvdw8ii1h45y48wxvjid89yp4cfak2h4b8z8xic73fqgj";
   };
 
   checkInputs = [
-    pytest
+    pytestCheckHook
   ];
 
+  dontUseSetuptoolsCheck = true;
+
   propagatedBuildInputs = [
     bokeh
     cloudpickle
@@ -50,9 +52,10 @@ buildPythonPackage rec {
       --replace "cmdclass=versioneer.get_cmdclass()," ""
   '';
 
-  checkPhase = ''
-    pytest
-  '';
+  disabledTests = [
+    "test_argwhere_str"
+    "test_count_nonzero_str"
+  ];
 
   meta = {
     description = "Minimal task scheduling abstraction";
diff --git a/pkgs/development/python-modules/ipython/default.nix b/pkgs/development/python-modules/ipython/default.nix
index fe89691431cb9e..9d6624a7df4f7a 100644
--- a/pkgs/development/python-modules/ipython/default.nix
+++ b/pkgs/development/python-modules/ipython/default.nix
@@ -22,12 +22,12 @@
 
 buildPythonPackage rec {
   pname = "ipython";
-  version = "7.12.0";
+  version = "7.13.0";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d9459e7237e2e5858738ff9c3e26504b79899b58a6d49e574d352493d80684c6";
+    sha256 = "ca478e52ae1f88da0102360e57e528b92f3ae4316aabac80a2cd7f7ab2efb48a";
   };
 
   prePatch = lib.optionalString stdenv.isDarwin ''
diff --git a/pkgs/development/python-modules/jupyter_client/default.nix b/pkgs/development/python-modules/jupyter_client/default.nix
index 4855663ebc7d35..008a74dfb3edc0 100644
--- a/pkgs/development/python-modules/jupyter_client/default.nix
+++ b/pkgs/development/python-modules/jupyter_client/default.nix
@@ -12,11 +12,11 @@
 
 buildPythonPackage rec {
   pname = "jupyter_client";
-  version = "5.3.4";
+  version = "6.1.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "60e6faec1031d63df57f1cc671ed673dced0ed420f4377ea33db37b1c188b910";
+    sha256 = "3a32fa4d0b16d1c626b30c3002a62dfd86d6863ed39eaba3f537fade197bb756";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/jupyter_core/default.nix b/pkgs/development/python-modules/jupyter_core/default.nix
index c10f302687638a..fe40a3f09c482d 100644
--- a/pkgs/development/python-modules/jupyter_core/default.nix
+++ b/pkgs/development/python-modules/jupyter_core/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "jupyter_core";
-  version = "4.6.1";
+  version = "4.6.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a183e0ec2e8f6adddf62b0a3fc6a2237e3e0056d381e536d3e7c7ecc3067e244";
+    sha256 = "394fd5dd787e7c8861741880bdf8a00ce39f95de5d18e579c74b882522219e7e";
   };
 
   checkInputs = [ pytest mock glibcLocales nose ];
diff --git a/pkgs/development/python-modules/line_profiler/default.nix b/pkgs/development/python-modules/line_profiler/default.nix
index a60b023acd7e01..027e6b0d1341ef 100644
--- a/pkgs/development/python-modules/line_profiler/default.nix
+++ b/pkgs/development/python-modules/line_profiler/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "line_profiler";
-  version = "2.1.2";
+  version = "3.0.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "efa66e9e3045aa7cb1dd4bf0106e07dec9f80bc781a993fbaf8162a36c20af5c";
+    sha256 = "7218ad6bd81f8649b211974bf108933910f016d66b49651effe7bbf63667d141";
   };
 
   patches = [ ./python37.patch ];
diff --git a/pkgs/development/python-modules/nbformat/2.nix b/pkgs/development/python-modules/nbformat/2.nix
index faf2cee2b00849..35ee52b11ec61b 100644
--- a/pkgs/development/python-modules/nbformat/2.nix
+++ b/pkgs/development/python-modules/nbformat/2.nix
@@ -12,11 +12,11 @@
 
 buildPythonPackage rec {
   pname = "nbformat";
-  version = "4.4.0";
+  version = "5.0.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f7494ef0df60766b7cabe0a3651556345a963b74dbc16bc7c18479041170d402";
+    sha256 = "562de41fc7f4f481b79ab5d683279bf3a168858268d4387b489b7b02be0b324a";
   };
 
   LC_ALL="en_US.utf8";
diff --git a/pkgs/development/python-modules/nbformat/default.nix b/pkgs/development/python-modules/nbformat/default.nix
index 35ee52b11ec61b..2f8c57e00338b8 100644
--- a/pkgs/development/python-modules/nbformat/default.nix
+++ b/pkgs/development/python-modules/nbformat/default.nix
@@ -12,11 +12,11 @@
 
 buildPythonPackage rec {
   pname = "nbformat";
-  version = "5.0.4";
+  version = "5.0.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "562de41fc7f4f481b79ab5d683279bf3a168858268d4387b489b7b02be0b324a";
+    sha256 = "049af048ed76b95c3c44043620c17e56bc001329e07f83fec4f177f0e3d7b757";
   };
 
   LC_ALL="en_US.utf8";
diff --git a/pkgs/development/python-modules/notebook/2.nix b/pkgs/development/python-modules/notebook/2.nix
index 8b8cce2f824538..6b891353679c5a 100644
--- a/pkgs/development/python-modules/notebook/2.nix
+++ b/pkgs/development/python-modules/notebook/2.nix
@@ -25,11 +25,11 @@
 
 buildPythonPackage rec {
   pname = "notebook";
-  version = "5.7.8";
+  version = "6.0.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "573e0ae650c5d76b18b6e564ba6d21bf321d00847de1d215b418acb64f056eb8";
+    sha256 = "47a9092975c9e7965ada00b9a20f0cf637d001db60d241d479f53c0be117ad48";
   };
 
   LC_ALL = "en_US.utf8";
diff --git a/pkgs/development/python-modules/numpy/default.nix b/pkgs/development/python-modules/numpy/default.nix
index 4a062ca7b97d79..0838509a84947d 100644
--- a/pkgs/development/python-modules/numpy/default.nix
+++ b/pkgs/development/python-modules/numpy/default.nix
@@ -27,13 +27,13 @@ let
   };
 in buildPythonPackage rec {
   pname = "numpy";
-  version = "1.18.1";
+  version = "1.18.3";
   format = "pyproject.toml";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "b6ff59cee96b454516e47e7721098e6ceebef435e3e21ac2d6c3b8b02628eb77";
+    sha256 = "e46e2384209c91996d5ec16744234d1c906ab79a701ce1a26155c9ec890b8dc8";
   };
 
   nativeBuildInputs = [ gfortran pytest cython setuptoolsBuildHook ];
diff --git a/pkgs/development/python-modules/qtconsole/default.nix b/pkgs/development/python-modules/qtconsole/default.nix
index abf5509056d467..6d3899e32e7fce 100644
--- a/pkgs/development/python-modules/qtconsole/default.nix
+++ b/pkgs/development/python-modules/qtconsole/default.nix
@@ -14,11 +14,11 @@
 
 buildPythonPackage rec {
   pname = "qtconsole";
-  version = "4.6.0";
+  version = "4.7.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "654f423662e7dfe6a9b26fac8ec76aedcf742c339909ac49f1f0c1a1b744bcd1";
+    sha256 = "8f5ae5571f0e921db9f2d12613ed667c350ee22c7db598d9bbbe143e8533f932";
   };
 
   checkInputs = [ nose ] ++ lib.optionals isPy27 [mock];
diff --git a/pkgs/development/python-modules/reikna/default.nix b/pkgs/development/python-modules/reikna/default.nix
index 611bdd669015e2..ebe3dc772d72a0 100644
--- a/pkgs/development/python-modules/reikna/default.nix
+++ b/pkgs/development/python-modules/reikna/default.nix
@@ -13,11 +13,11 @@
 
 buildPythonPackage rec {
   pname = "reikna";
-  version = "0.7.4";
+  version = "0.7.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "52bbce24fa1fd7bb950d38ce9b60f497dd00ac6b26688d80ab9bce709f063e71";
+    sha256 = "d01f4264c8379ef2962a93aacb002d491b92ef9b5b22b45f77e7821dfa87bef7";
   };
 
   checkInputs = [ sphinx pytestcov pytest ];
diff --git a/pkgs/development/python-modules/sounddevice/default.nix b/pkgs/development/python-modules/sounddevice/default.nix
index 614f0881ff8559..9a6baf80f04a41 100644
--- a/pkgs/development/python-modules/sounddevice/default.nix
+++ b/pkgs/development/python-modules/sounddevice/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "sounddevice";
-  version = "0.3.14";
+  version = "0.3.15";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c7b0f7ad86550668da55404eabcb63d4212ec622fcce86510092306b77d2e80a";
+    sha256 = "028f6e5df83027f4bfba5d6d61e6d46eb8689f9e647825e09f539920dee17d2c";
   };
 
   propagatedBuildInputs = [ cffi numpy portaudio ];
diff --git a/pkgs/development/python-modules/statsmodels/default.nix b/pkgs/development/python-modules/statsmodels/default.nix
index e2c7142c979d84..c65fb0990f0fce 100644
--- a/pkgs/development/python-modules/statsmodels/default.nix
+++ b/pkgs/development/python-modules/statsmodels/default.nix
@@ -13,11 +13,11 @@
 
 buildPythonPackage rec {
   pname = "statsmodels";
-  version = "0.11.0";
+  version = "0.11.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0wcc7xbwlf8r2diw9fnzf4bg9h5cg406w7phd3dz37hx17yfi3ha";
+    sha256 = "5bde3fa0a35a91b45dba7cbc28270b5b649ff1d721c89290883f6e831672d5f0";
   };
 
   checkInputs = with self; [ nose ];
diff --git a/pkgs/development/python-modules/tabulate/default.nix b/pkgs/development/python-modules/tabulate/default.nix
index c482c517989dc0..4686d02486fcea 100644
--- a/pkgs/development/python-modules/tabulate/default.nix
+++ b/pkgs/development/python-modules/tabulate/default.nix
@@ -5,12 +5,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.8.6";
+  version = "0.8.7";
   pname = "tabulate";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "5470cc6687a091c7042cee89b2946d9235fe9f6d49c193a4ae2ac7bf386737c8";
+    sha256 = "db2723a20d04bcda8522165c73eea7c300eda74e0ce852d9022e0159d7895007";
   };
 
   checkInputs = [ nose ];
diff --git a/pkgs/development/python-modules/tqdm/default.nix b/pkgs/development/python-modules/tqdm/default.nix
index a6549ee07c953d..c00eac75ee0dcc 100644
--- a/pkgs/development/python-modules/tqdm/default.nix
+++ b/pkgs/development/python-modules/tqdm/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "tqdm";
-  version = "4.42.1";
+  version = "4.45.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "251ee8440dbda126b8dfa8a7c028eb3f13704898caaef7caa699b35e119301e2";
+    sha256 = "00339634a22c10a7a22476ee946bbde2dbe48d042ded784e4d88e0236eca5d81";
   };
 
   checkInputs = [ nose coverage glibcLocales flake8 ];
diff --git a/pkgs/development/python-modules/xarray/default.nix b/pkgs/development/python-modules/xarray/default.nix
index a950076a261560..abce8ac12fe7e1 100644
--- a/pkgs/development/python-modules/xarray/default.nix
+++ b/pkgs/development/python-modules/xarray/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "xarray";
-  version = "0.15.0";
+  version = "0.15.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c72d160c970725201f769e80fb91cbad68d6ebf21d68fcc371385a6c950459c3";
+    sha256 = "64e3138d87b641e22fe7a003c94abc685896b247b63e434505c1e6b38c91a8fb";
   };
 
   checkInputs = [ pytest ];