diff --git a/pkgs/development/python-modules/pycomfoconnect/default.nix b/pkgs/development/python-modules/pycomfoconnect/default.nix
index cb40ec8f527..0c35dc4d5ba 100644
--- a/pkgs/development/python-modules/pycomfoconnect/default.nix
+++ b/pkgs/development/python-modules/pycomfoconnect/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fetchFromGitHub
 , protobuf
-, pytestCheckHook
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 32ceda4bbeb..973b73d4d16 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -2,7 +2,7 @@
 # Do not edit!
 
 {
-  version = "2021.4.4";
+  version = "2021.4.5";
   components = {
     "abode" = ps: with ps; [ abodepy ];
     "accuweather" = ps: with ps; [ accuweather ];
diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 4321fb72c79..59b7f1135cd 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -108,7 +108,7 @@ let
   extraBuildInputs = extraPackages py.pkgs;
 
   # Don't forget to run parse-requirements.py after updating
-  hassVersion = "2021.4.4";
+  hassVersion = "2021.4.5";
 
 in with py.pkgs; buildPythonApplication rec {
   pname = "homeassistant";
@@ -127,7 +127,7 @@ in with py.pkgs; buildPythonApplication rec {
     owner = "home-assistant";
     repo = "core";
     rev = version;
-    sha256 = "1p36ymjhirl32ax3xxdg9ia089jw1klww5imq18r6ksajafr78ys";
+    sha256 = "106d1n9z8pfcnqm594vkhczrrrjap801w6fdr0psv5vhdxrqh4sj";
   };
 
   # leave this in, so users don't have to constantly update their downstream patch handling