diff --git a/pkgs/development/python-modules/pytest-html/default.nix b/pkgs/development/python-modules/pytest-html/default.nix
index 23f50347c42f..e6e17adc92ee 100644
--- a/pkgs/development/python-modules/pytest-html/default.nix
+++ b/pkgs/development/python-modules/pytest-html/default.nix
@@ -3,12 +3,12 @@
 
 buildPythonPackage rec {
   pname = "pytest-html";
-  version = "3.1.0";
+  version = "3.1.1";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8a7979e2411aac445870d8cad9a251ab3823bc14f77d065e9ce9a5dff86f697d";
+    sha256 = "3ee1cf319c913d19fe53aeb0bc400e7b0bc2dbeb477553733db1dad12eb75ee3";
   };
 
   nativeBuildInputs = [ setuptools_scm ];