diff --git a/pkgs/development/python-modules/x3dh/default.nix b/pkgs/development/python-modules/x3dh/default.nix
index 7dccc3edf2bb..1c2e2d6e1c16 100644
--- a/pkgs/development/python-modules/x3dh/default.nix
+++ b/pkgs/development/python-modules/x3dh/default.nix
@@ -9,17 +9,18 @@
   typing-extensions,
   pytestCheckHook,
   pytest-asyncio,
+  pytest-cov-stub,
 }:
 buildPythonPackage rec {
   pname = "x3dh";
-  version = "1.1.0";
+  version = "1.2.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Syndace";
     repo = "python-x3dh";
     tag = "v${version}";
-    hash = "sha256-/hC1Kze4yBOlgbWJcGddcYty9fqwZ08Lyi0IiqSDibI=";
+    hash = "sha256-NLuFfkutFtNrpBcLA/83QArCDrlrT+i85s2d6FHtuT0=";
   };
 
   strictDeps = true;
@@ -38,6 +39,7 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     pytestCheckHook
     pytest-asyncio
+    pytest-cov-stub
   ];
 
   pythonImportsCheck = [ "x3dh" ];