diff --git a/pkgs/development/python-modules/rtfunicode/default.nix b/pkgs/development/python-modules/rtfunicode/default.nix
index cfe34f1195f9..b7dc233e0249 100644
--- a/pkgs/development/python-modules/rtfunicode/default.nix
+++ b/pkgs/development/python-modules/rtfunicode/default.nix
@@ -7,14 +7,14 @@
 
 buildPythonPackage rec {
   pname = "rtfunicode";
-  version = "2.0";
+  version = "2.3";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "mjpieters";
     repo = "rtfunicode";
-    tag = version;
-    hash = "sha256-mo3kuuK1epcH0Iyi9GYpZOYsUI4etWheyEPdw/S3tJE=";
+    tag = "v${version}";
+    hash = "sha256-dmPpMplCQIJMHhNFzOIjKwEHVio2mjFEbDmq1Y9UJkA=";
   };
 
   nativeBuildInputs = [ unittestCheckHook ];
@@ -26,6 +26,6 @@ buildPythonPackage rec {
     maintainers = [ lib.maintainers.lucasew ];
     license = lib.licenses.bsd2;
     homepage = "https://github.com/mjpieters/rtfunicode";
-    changelog = "https://github.com/mjpieters/rtfunicode/releases/tag/${version}";
+    changelog = "https://github.com/mjpieters/rtfunicode/releases/tag/${src.tag}";
   };
 }