diff --git a/pkgs/development/python-modules/bidsschematools/default.nix b/pkgs/development/python-modules/bidsschematools/default.nix
index cd6747b1a71c..b9135a7e0e9d 100644
--- a/pkgs/development/python-modules/bidsschematools/default.nix
+++ b/pkgs/development/python-modules/bidsschematools/default.nix
@@ -1,8 +1,7 @@
 {
   lib,
   buildPythonPackage,
-  pythonOlder,
-  fetchPypi,
+  fetchFromGitHub,
   pdm-backend,
   acres,
   click,
@@ -11,17 +10,18 @@
 
 buildPythonPackage rec {
   pname = "bidsschematools";
-  version = "1.1.1";
+  version = "1.1.2";
   pyproject = true;
 
-  disabled = pythonOlder "3.9";
-
-  src = fetchPypi {
-    pname = "bidsschematools";
-    inherit version;
-    hash = "sha256-cuc73ly01vHdBI3G+pTU13jMDiluj0wULT74WjwW5us=";
+  src = fetchFromGitHub {
+    owner = "bids-standard";
+    repo = "bids-specification";
+    tag = "schema-${version}";
+    hash = "sha256-b4dRGXkRkV+vmQ91fM8FMQv8iOt35dyf5unOEKNbNPc=";
   };
 
+  sourceRoot = "${src.name}/tools/schemacode";
+
   build-system = [
     pdm-backend
   ];