diff --git a/pkgs/development/python-modules/mastodon-py/default.nix b/pkgs/development/python-modules/mastodon-py/default.nix
index be1c3d6532ef..ada014a6b81d 100644
--- a/pkgs/development/python-modules/mastodon-py/default.nix
+++ b/pkgs/development/python-modules/mastodon-py/default.nix
@@ -18,13 +18,13 @@
 
 buildPythonPackage rec {
   pname = "mastodon-py";
-  version = "1.6.1";
+  version = "1.6.3";
 
   src = fetchFromGitHub {
     owner = "halcy";
     repo = "Mastodon.py";
     rev = "refs/tags/${version}";
-    sha256 = "sha256-ip2TT5ISOS6HJOnTWajOR5Bajs8ba9QX1EIuPmdHLsE=";
+    sha256 = "sha256-bzacM5bJa936sBW+hgm9GOezW8cVY2oPaWApqjDYLSo=";
   };
 
   postPatch = ''