diff --git a/.github/workflows/pip.yml b/.github/workflows/pip.yml
index 82e438032aeb..5ae058e5ebc3 100644
--- a/.github/workflows/pip.yml
+++ b/.github/workflows/pip.yml
@@ -11,7 +11,7 @@ on:
     types: [ created ]
 
 env:
-  # TODO: detect this from repo somehow
+  # TODO: detect this from repo somehow: https://github.com/halide/Halide/issues/8406
   LLVM_VERSION: 18.1.8
   FLATBUFFERS_VERSION: 23.5.26
   WABT_VERSION: 1.0.36