diff --git a/pyproject.toml b/pyproject.toml
index caada2c92..3dd0f3b4e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 requires = [
     "scikit-build-core",
     "nanobind @ git+https://github.com/wjakob/nanobind@master", 
-    "drjit==1.0.0"
+    "drjit==1.0.0",
     "typing_extensions"
 ]
 build-backend = "scikit_build_core.build"