diff --git a/Cargo.toml b/Cargo.toml
index 33cae10..7c133e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ name = "imap"
 path = "src/lib.rs"
 
 [dependencies]
-native-tls = "0.2"
+native-tls = "0.2.2"
 regex = "1.0"
 bufstream = "0.1"
 imap-proto = "0.6"