diff --git a/pkgs/development/python-modules/labgrid/default.nix b/pkgs/development/python-modules/labgrid/default.nix
index 86edc2f8d5e3..7aedf44d0676 100644
--- a/pkgs/development/python-modules/labgrid/default.nix
+++ b/pkgs/development/python-modules/labgrid/default.nix
@@ -22,13 +22,13 @@
 
 buildPythonPackage rec {
   pname = "labgrid";
-  version = "0.3.3";
+  version = "0.4.0";
 
   src = fetchFromGitHub {
     owner = "labgrid-project";
     repo = "labgrid";
     rev = "v${version}";
-    sha256 = "03dg0c5vahrdj1153pmd4653hjisq3cc6niqnwayjx5pjb15ikxk";
+    sha256 = "17j013dw66h4jm1hl92g892sx9r9c48pnl7d58p1y0l4jfca8gmn";
   };
 
   patches = [