diff --git a/Cargo.toml b/Cargo.toml
index 4d559d2..df77606 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@
 debug = true
 
 [dependencies]
-fixedbitset = { version = "0.1.4" }
+fixedbitset = { version = "0.2.0", default-features = false }
 quickcheck = { optional = true, version = "0.8", default-features = false }
 indexmap = { version = "1.0.2", optional = true }
 serde = { version = "1.0", optional = true }