diff --git a/pkgs/development/python-modules/pytablewriter/default.nix b/pkgs/development/python-modules/pytablewriter/default.nix
index 30eacdbeac51..26807a887cda 100644
--- a/pkgs/development/python-modules/pytablewriter/default.nix
+++ b/pkgs/development/python-modules/pytablewriter/default.nix
@@ -24,7 +24,7 @@
 
 buildPythonPackage rec {
   pname = "pytablewriter";
-  version = "1.2.0";
+  version = "1.2.1";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -33,7 +33,7 @@ buildPythonPackage rec {
     owner = "thombashi";
     repo = pname;
     tag = "v${version}";
-    hash = "sha256-b3YzDqNATaT/FFG4/x9EGlYlhXKPvgNB2xnm0bzvLJQ=";
+    hash = "sha256-YuuSMKTSG3oybvA6TDWNnGg4EiDAw2tRlM0S9mBQlkc=";
   };
 
   nativeBuildInputs = [ setuptools ];
@@ -106,7 +106,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Library to write a table in various formats";
     homepage = "https://github.com/thombashi/pytablewriter";
-    changelog = "https://github.com/thombashi/pytablewriter/releases/tag/v${version}";
+    changelog = "https://github.com/thombashi/pytablewriter/releases/tag/${src.tag}";
     license = licenses.mit;
     maintainers = with maintainers; [ genericnerdyusername ];
   };