diff --git a/Cargo.toml b/Cargo.toml
index 2bae924b..c2d1b1b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@ mio-extras = "2.0.6"
 mio_08 = { package = "mio" , version ="0.8.5", features = ["net", "os-poll"] } 
 socketpair = "0.19"
 
-bit-vec = "0.6.2"
+bit-vec = "0.8.0"
 speedy = "0.8.0"
 log = "0.4.11"
 num-traits = "0.2"