diff --git a/pkgs/applications/networking/maestral-qt/default.nix b/pkgs/applications/networking/maestral-qt/default.nix
index b568775481c..0929c745b21 100644
--- a/pkgs/applications/networking/maestral-qt/default.nix
+++ b/pkgs/applications/networking/maestral-qt/default.nix
@@ -6,18 +6,17 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "maestral-qt";
-  version = "1.3.1";
+  version = "1.4.2";
   disabled = python3.pkgs.pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "SamSchott";
     repo = "maestral-qt";
     rev = "v${version}";
-    sha256 = "sha256-2S2sa2/HVt3IRsE98PT2XwpONjaYENBzYW+ezBFrJYI=";
+    sha256 = "sha256-cPH0wD7RL3OifDTD48x58I4qeaLALOMFnfWXjE2/lUQ=";
   };
 
   propagatedBuildInputs = with python3.pkgs; [
-    bugsnag
     click
     markdown2
     maestral
diff --git a/pkgs/development/python-modules/desktop-notifier/default.nix b/pkgs/development/python-modules/desktop-notifier/default.nix
new file mode 100644
index 00000000000..83deaed67a0
--- /dev/null
+++ b/pkgs/development/python-modules/desktop-notifier/default.nix
@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, stdenv
+, packaging
+, importlib-resources
+, dbus-next
+}:
+
+buildPythonPackage rec {
+  pname = "desktop-notifier";
+  version = "3.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-D8/amC6SwXkm8Ao8G2Vn9FNpbqyFJFBUVcngkW5g8k0=";
+  };
+
+  propagatedBuildInputs = [
+    packaging
+  ] ++ lib.optionals (pythonOlder "3.9") [
+    importlib-resources
+  ] ++ lib.optionals stdenv.isLinux [
+    dbus-next
+  ];
+
+  # no tests available, do the imports check instead
+  doCheck = false;
+  pythonImportsCheck = [ "desktop_notifier" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/samschott/desktop-notifier";
+    description = "A Python library for cross-platform desktop notifications";
+    license = licenses.mit;
+    maintainers = with maintainers; [ sfrijters ];
+  };
+}
diff --git a/pkgs/development/python-modules/maestral/default.nix b/pkgs/development/python-modules/maestral/default.nix
index 990545e4173..cc9c35bcb92 100644
--- a/pkgs/development/python-modules/maestral/default.nix
+++ b/pkgs/development/python-modules/maestral/default.nix
@@ -1,30 +1,29 @@
-{ lib, stdenv
+{ lib
 , buildPythonPackage
 , fetchFromGitHub
 , pythonOlder
 , python
-, alembic, bugsnag, click, dropbox, fasteners, keyring, keyrings-alt, packaging, pathspec, Pyro5, requests, setuptools, sdnotify, sqlalchemy, survey, watchdog
+, alembic, click, desktop-notifier, dropbox, fasteners, keyring, keyrings-alt, packaging, pathspec, Pyro5, requests, setuptools, sdnotify, sqlalchemy, survey, watchdog
 , importlib-metadata
 , importlib-resources
-, dbus-next
 }:
 
 buildPythonPackage rec {
   pname = "maestral";
-  version = "1.3.1";
+  version = "1.4.2";
   disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "SamSchott";
     repo = "maestral";
     rev = "v${version}";
-    sha256 = "sha256-SspyTdmAbbmWN3AqVp9bj/QfAKLVgU2bLiiHjZO0aCM=";
+    sha256 = "sha256-ibAYuaPSty275/aQ0DibyWe2LjPoEpdWgElTnR+MEs8=";
   };
 
   propagatedBuildInputs = [
     alembic
-    bugsnag
     click
+    desktop-notifier
     dropbox
     fasteners
     keyring
@@ -42,8 +41,6 @@ buildPythonPackage rec {
     importlib-metadata
   ] ++ lib.optionals (pythonOlder "3.9") [
     importlib-resources
-  ] ++ lib.optionals stdenv.isLinux [
-    dbus-next
   ];
 
   makeWrapperArgs = [
diff --git a/pkgs/development/python-modules/survey/default.nix b/pkgs/development/python-modules/survey/default.nix
index 436127fae9c..99a2d85aaa2 100644
--- a/pkgs/development/python-modules/survey/default.nix
+++ b/pkgs/development/python-modules/survey/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "survey";
-  version = "3.1.1";
+  version = "3.4.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-R/PfXW/CnqYiOWbCxPAYwneg6j6CLvdIpITZ2eIXn+M=";
+    sha256 = "sha256-aF7ZS5oxeIOb7mJsrusdc3HefcPE+3OTXcJB/pjJxFY=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/watchdog/default.nix b/pkgs/development/python-modules/watchdog/default.nix
index 693cfcce926..6930be7d65a 100644
--- a/pkgs/development/python-modules/watchdog/default.nix
+++ b/pkgs/development/python-modules/watchdog/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "watchdog";
-  version = "1.0.2";
+  version = "2.0.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-N2y8KjXAOSsP5/8W+8GzA/2Z1N2ZEatVge6daa3IiYI=";
+    sha256 = "sha256-/UtWz74NDZxPxDGs7KdXAKfxLTc33C6csuwrpkloBCU=";
   };
 
   buildInputs = lib.optionals stdenv.isDarwin
diff --git a/pkgs/development/python-modules/wrapio/default.nix b/pkgs/development/python-modules/wrapio/default.nix
index bbbc1917f54..3e6a4372a64 100644
--- a/pkgs/development/python-modules/wrapio/default.nix
+++ b/pkgs/development/python-modules/wrapio/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "wrapio";
-  version = "0.3.8";
+  version = "1.0.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-jGupLh+xzwil+VBtAjIG+ZYT+dy+QaZOTIfipTQeyWo";
+    sha256 = "sha256-JWcPsqZy1wM6/mbU3H0W3EkpLg0wrEUUg3pT/QrL+rE=";
   };
 
   doCheck = false;
diff --git a/pkgs/tools/text/markdown-pp/default.nix b/pkgs/tools/text/markdown-pp/default.nix
index 50ef560f6c3..c6e937eab27 100644
--- a/pkgs/tools/text/markdown-pp/default.nix
+++ b/pkgs/tools/text/markdown-pp/default.nix
@@ -1,13 +1,15 @@
-{ fetchFromGitHub, pythonPackages, lib }:
+{ lib
+, fetchFromGitHub
+, python3
+}:
 
-with pythonPackages;
-buildPythonApplication rec {
+python3.pkgs.buildPythonApplication rec {
   pname = "MarkdownPP";
   version = "1.5.1";
-  propagatedBuildInputs = [ pillow watchdog ];
+  propagatedBuildInputs = with python3.pkgs; [ pillow watchdog ];
   checkPhase = ''
     cd test
-    PATH=$out/bin:$PATH ${python}/bin/${python.executable} test.py
+    PATH=$out/bin:$PATH ${python3}/bin/${python3.executable} test.py
   '';
   src = fetchFromGitHub {
     owner = "jreese";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a5de7a1e723..f2d0608a2f6 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1708,6 +1708,8 @@ in {
 
   deskcon = callPackage ../development/python-modules/deskcon { };
 
+  desktop-notifier = callPackage ../development/python-modules/desktop-notifier { };
+
   detox = throw "detox is no longer maintained, and was broken since may 2019"; # added 2020-07-04
 
   devolo-home-control-api = callPackage ../development/python-modules/devolo-home-control-api { };
@@ -3872,20 +3874,11 @@ in {
   macropy = callPackage ../development/python-modules/macropy { };
 
   maestral = callPackage ../development/python-modules/maestral {
-
-    # https://github.com/SamSchott/maestral/issues/250#issuecomment-739510048
-    survey = self.survey.overridePythonAttrs (old: rec {
-      version = "2.2.1";
+    keyring = self.keyring.overridePythonAttrs (old: rec {
+      version = "22.0.1";
       src = old.src.override {
         inherit version;
-        sha256 = "sha256-7ubWkqk1vyaJDLMOuKwUx2Bjziyi3HqpaQq4pKp4Z+0=";
-      };
-    });
-    watchdog = self.watchdog.overridePythonAttrs (old: rec {
-      version = "0.10.3";
-      src = old.src.override {
-        inherit version;
-        sha256 = "4214e1379d128b0588021880ccaf40317ee156d4603ac388b9adcf29165e0c04";
+        sha256 = "sha256-mss+FFLtu3VEgisS/SVFkHh2nlYPpR9Bi20Ar6pheN8=";
       };
     });
   };