--- a/rust/hg-core/Cargo.toml	Wed Nov 29 10:04:41 2023 -0500
+++ b/rust/hg-core/Cargo.toml	Wed Nov 29 15:58:24 2023 -0500
@@ -39,6 +39,7 @@
 zstd = "0.12"
 format-bytes = "0.3.0"
 once_cell = "1.16.0"
+bitvec = "1.0.1"
 
 # We don't use the `miniz-oxide` backend to not change rhg benchmarks and until
 # we have a clearer view of which backend is the fastest.