diff --git a/pkgs/development/python-modules/mkdocstrings-python/default.nix b/pkgs/development/python-modules/mkdocstrings-python/default.nix
index 656bde232a4c..9f9aea77122c 100644
--- a/pkgs/development/python-modules/mkdocstrings-python/default.nix
+++ b/pkgs/development/python-modules/mkdocstrings-python/default.nix
@@ -11,7 +11,7 @@
 
 buildPythonPackage rec {
   pname = "mkdocstrings-python";
-  version = "0.10.1";
+  version = "1.2.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -19,8 +19,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "mkdocstrings";
     repo = "python";
-    rev = version;
-    hash = "sha256-VGPlOHQNtXrfmcne93xDIxN20KDGlTQrjeAKhX/L6K0=";
+    rev = "refs/tags/${version}";
+    hash = "sha256-Q+KsVfImmJekDI5TIFREXlB/G5NGtoenHz6sZOVaP5c=";
   };
 
   nativeBuildInputs = [