diff --git a/Cargo.lock b/Cargo.lock
index 8988c83..9892fdf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -160,9 +160,9 @@ dependencies = [
 
 [[package]]
 name = "bit-vec"
-version = "0.8.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e764a1d40d510daf35e07be9eb06e75770908c27d411ee6c92109c9840eaaf7"
+checksum = "b71798fca2c1fe1086445a7258a4bc81e6e49dcd24c8d0dd9a1e57395b603f51"
 dependencies = [
  "serde",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 67a8281..e0cd703 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ serde = { version = "1.0.228", features = ["derive"] }
 bincode = "1.3.3"
 rayon = "1.11.0"
 lazy_static = { version = "1.4.0", optional = true }
-bit-vec = { version = "0.8.0", features = ["serde"] }
+bit-vec = { version = "0.9.1", features = ["serde"] }
 rand = "0.10.0"
 criterion = { version = "0.8.2", optional = true }