diff --git a/requirements.txt b/requirements.txt
index 191ec406..1198ab5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@ pycapnp
 intervaltree
 progressbar2
 pyyaml
+# TODO: https://github.com/SymbiFlow/python-fpga-interchange/issues/11
 git+https://github.com/litghost/rapidyaml.git@fixup_python_packaging#egg=rapidyaml&subdirectory=api/python
 -e third_party/prjxray
 git+https://github.com/SymbiFlow/fasm.git#egg=fasm