diff --git a/pkgs/development/python-modules/numba/default.nix b/pkgs/development/python-modules/numba/default.nix
index 8ef25f126700..1c849c4765b1 100644
--- a/pkgs/development/python-modules/numba/default.nix
+++ b/pkgs/development/python-modules/numba/default.nix
@@ -32,7 +32,7 @@
 let
   cudatoolkit = cudaPackages.cuda_nvcc;
 in
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   version = "0.63.1";
   pname = "numba";
   pyproject = true;
@@ -40,14 +40,14 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "numba";
     repo = "numba";
-    tag = version;
+    tag = finalAttrs.version;
     # Upstream uses .gitattributes to inject information about the revision
     # hash and the refname into `numba/_version.py`, see:
     #
     # - https://git-scm.com/docs/gitattributes#_export_subst and
     # - https://github.com/numba/numba/blame/5ef7c86f76a6e8cc90e9486487294e0c34024797/numba/_version.py#L25-L31
     postFetch = ''
-      sed -i 's/git_refnames = "[^"]*"/git_refnames = " (tag: ${src.tag})"/' $out/numba/_version.py
+      sed -i 's/git_refnames = "[^"]*"/git_refnames = " (tag: ${finalAttrs.src.tag})"/' $out/numba/_version.py
     '';
     hash = "sha256-M7Hdc1Qakclz7i/HujBUqVEWFsHj9ZGQDzb8Ze9AztA=";
   };
@@ -147,10 +147,10 @@ buildPythonPackage rec {
   };
 
   meta = {
-    changelog = "https://numba.readthedocs.io/en/stable/release/${version}-notes.html";
+    changelog = "https://numba.readthedocs.io/en/stable/release/${finalAttrs.version}-notes.html";
     description = "Compiling Python code using LLVM";
     homepage = "https://numba.pydata.org/";
     license = lib.licenses.bsd2;
     mainProgram = "numba";
   };
-}
+})