diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index cb857fe1..f72fb57e 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -18,7 +18,7 @@ categories = ["web-programming::http-server"]
 tls = ["rustls", "hyper-sync-rustls"]
 
 [dependencies]
-yansi = { version = "0.3.1", features = ["nightly"] }
+yansi = { version = "0.3.3", features = ["nightly"] }
 log = "0.3"
 url = "1"
 toml = "0.4.2"