diff --git a/pkgs/development/python-modules/aiocache/default.nix b/pkgs/development/python-modules/aiocache/default.nix
index 54979dbd7ba4f..105ebc9188eaa 100644
--- a/pkgs/development/python-modules/aiocache/default.nix
+++ b/pkgs/development/python-modules/aiocache/default.nix
@@ -3,31 +3,43 @@
 , buildPythonPackage
 , fetchFromGitHub
 , msgpack
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "aiocache";
-  version = "0.11.1";
+  version = "0.12.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "aio-libs";
     repo = pname;
-    rev = version;
-    sha256 = "1czs8pvhzi92qy2dch2995rb62mxpbhd80dh2ir7zpa9qcm6wxvx";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-jNfU5jT2xLgwVeVp8jXrQ6QQuUDwMOxf+hZ7VFsMFpM=";
   };
 
-  propagatedBuildInputs = [
-    aioredis
-    msgpack
-  ];
+  passthru.optional-dependencies = {
+    redis = [
+      aioredis
+    ];
+    msgpack = [
+      msgpack
+    ];
+  };
 
   # aiomcache would be required but last release was in 2017
   doCheck = false;
-  pythonImportsCheck = [ "aiocache" ];
+
+  pythonImportsCheck = [
+    "aiocache"
+  ];
 
   meta = with lib; {
     description = "Python API Rate Limit Decorator";
-    homepage = "https://github.com/tomasbasham/ratelimit";
+    homepage = "https://github.com/aio-libs/aiocache";
+    changelog = "https://github.com/aio-libs/aiocache/releases/tag/v${version}";
     license = with licenses; [ bsd3 ];
     maintainers = with maintainers; [ fab ];
   };
diff --git a/pkgs/development/python-modules/pyflunearyou/default.nix b/pkgs/development/python-modules/pyflunearyou/default.nix
index ea59fa0dc10f3..cd04d00ee32e5 100644
--- a/pkgs/development/python-modules/pyflunearyou/default.nix
+++ b/pkgs/development/python-modules/pyflunearyou/default.nix
@@ -9,6 +9,7 @@
 , pytest-aiohttp
 , pytestCheckHook
 , pythonOlder
+, pythonRelaxDepsHook
 , msgpack
 , ujson
 }:
@@ -27,13 +28,14 @@ buildPythonPackage rec {
     sha256 = "sha256-Q65OSE4qckpvaIvZULBR434i7hwuVM97eSq1Blb1oIU=";
   };
 
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace 'ujson = ">=1.35,<5.0"' 'ujson = "*"'
-  '';
+  pythonRelaxDeps = [
+    "aiocache"
+    "ujson"
+  ];
 
   nativeBuildInputs = [
     poetry-core
+    pythonRelaxDepsHook
   ];
 
   propagatedBuildInputs = [