diff --git a/Cargo.toml b/Cargo.toml
index a0b23cb..adb39f6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ path = "src/lib.rs"
 native-tls = "0.2.2"
 regex = "1.0"
 bufstream = "0.1"
-imap-proto = "0.7"
+imap-proto = "0.8"
 nom = "4.0"
 base64 = "0.10"
 chrono = "0.4"