diff --git a/pkgs/development/python-modules/pyhomematic/default.nix b/pkgs/development/python-modules/pyhomematic/default.nix
index 18e477dbd81..0967659a641 100644
--- a/pkgs/development/python-modules/pyhomematic/default.nix
+++ b/pkgs/development/python-modules/pyhomematic/default.nix
@@ -2,7 +2,7 @@
 
 buildPythonPackage rec {
   pname = "pyhomematic";
-  version = "0.1.41";
+  version = "0.1.42";
 
   disabled = !isPy3k;
 
@@ -11,7 +11,7 @@ buildPythonPackage rec {
     owner = "danielperna84";
     repo = pname;
     rev = version;
-    sha256 = "01j6y2ypi7a8ffnkqd8j8vnpszza2cxqpiqbnk1dwbg9w9pwwq53";
+    sha256 = "0h7bq66q22kzj1xwhxmr7knibsmb4csjwq3jr19fyl9sxxmgqwqy";
   };
 
   # Unreliable timing: https://github.com/danielperna84/pyhomematic/issues/126