diff --git a/Cargo.lock b/Cargo.lock
index cd1348e8..f755363c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -419,9 +419,9 @@ dependencies = [
 
 [[package]]
 name = "fixedbitset"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "279fb028e20b3c4c320317955b77c5e0c9701f05a1d309905d6fc702cdc5053e"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
 [[package]]
 name = "flate2"