diff --git a/Cargo.toml b/Cargo.toml
index 739086b..d591556 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,13 +34,13 @@ once_cell = "1"
 quoted_printable = { version = "0.4", optional = true }
 r2d2 = { version = "0.8", optional = true }
 regex = "1"
-rustls = { version = "0.17", optional = true }
+rustls = { version = "0.18", optional = true }
 serde = { version = "1", optional = true, features = ["derive"] }
 serde_json = { version = "1", optional = true }
 textnonce = { version = "0.7", optional = true }
 uuid = { version = "0.8", features = ["v4"] }
 webpki = { version = "0.21", optional = true }
-webpki-roots = { version = "0.19", optional = true }
+webpki-roots = { version = "0.20", optional = true }
 
 [dev-dependencies]
 criterion = "0.3"