diff --git a/Cargo.lock b/Cargo.lock
index 96f1a5a..cce4af8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1315,6 +1315,11 @@ name = "smallvec"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "smallvec"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "socket2"
 version = "0.3.11"