Update pyproject.toml (#1939)

Author: syntheticgio

pyproject.toml

@@ -12,7 +12,8 @@ dependencies = [
     "torch>=2.5.0,<2.6.0",
     "numpy<2.0",
     "lightning>=2.5.0,<2.6.0",
-    "jsonargparse[signatures]>=4.30.1,<=4.32.1",    # 4.33 does not seem to be compatible with Python 3.9
+    "jsonargparse[signatures]>=4.30.1,<=4.32.1; python_version<='3.9'",    # 4.33 does not seem to be compatible with Python 3.9
+    "jsonargparse[signatures]>=4.37.0; python_version>'3.9'",    # required to work with python3.12+
     "huggingface_hub>=0.23.5",          # download models
     "safetensors>=0.4.3",               # download models
     "tokenizers>=0.15.2",               # tokenization in most models