diff --git a/pkgs/development/python-modules/pygls/1.nix b/pkgs/development/python-modules/pygls/1.nix
index b08bb2b641c8..734a09f7479f 100644
--- a/pkgs/development/python-modules/pygls/1.nix
+++ b/pkgs/development/python-modules/pygls/1.nix
@@ -11,7 +11,7 @@
   websockets,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pygls";
   version = "1.3.1";
   pyproject = true;
@@ -19,7 +19,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "openlawlibrary";
     repo = "pygls";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-AvrGoQ0Be1xKZhFn9XXYJpt5w+ITbDbj6NFZpaDPKao=";
   };
 
@@ -62,8 +62,8 @@ buildPythonPackage rec {
     broken = lib.versionAtLeast lsprotocol.version "2024";
     description = "Pythonic generic implementation of the Language Server Protocol";
     homepage = "https://github.com/openlawlibrary/pygls";
-    changelog = "https://github.com/openlawlibrary/pygls/blob/${version}/CHANGELOG.md";
+    changelog = "https://github.com/openlawlibrary/pygls/blob/${finalAttrs.src.tag}/CHANGELOG.md";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ kira-bruneau ];
   };
-}
+})
diff --git a/pkgs/development/python-modules/pygls/default.nix b/pkgs/development/python-modules/pygls/default.nix
index cd0501310420..a6ec8564091a 100644
--- a/pkgs/development/python-modules/pygls/default.nix
+++ b/pkgs/development/python-modules/pygls/default.nix
@@ -13,7 +13,7 @@
   nix-update-script,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pygls";
   version = "2.1.1";
   pyproject = true;
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "openlawlibrary";
     repo = "pygls";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-jxc1nKxfiRenb629a2WCZOzqyIOvT5XU4NrjmKPlDHk=";
   };
 
@@ -65,8 +65,8 @@ buildPythonPackage rec {
   meta = {
     description = "Pythonic generic implementation of the Language Server Protocol";
     homepage = "https://github.com/openlawlibrary/pygls";
-    changelog = "https://github.com/openlawlibrary/pygls/blob/${version}/CHANGELOG.md";
+    changelog = "https://github.com/openlawlibrary/pygls/blob/${finalAttrs.src.tag}/CHANGELOG.md";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ kira-bruneau ];
   };
-}
+})