diff --git a/Cargo.lock b/Cargo.lock
index b3ae0b4..471fc8a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -50,9 +50,9 @@ checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
 [[package]]
 name = "bitstream-io"
-version = "4.4.0"
+version = "4.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e639d059c8d99f6ef2147d284e7cb376c8c3115e112b2f85f30ad9d6994d209"
+checksum = "60d4bd9d1db2c6bdf285e223a7fa369d5ce98ec767dec949c6ca62863ce61757"
 dependencies = [
  "core2",
 ]