diff --git a/Cargo.toml b/Cargo.toml
index 60434ddd..5c88195c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,12 +52,12 @@ tokio = { version = "1.35.1", default-features = false, features = [
 ] }
 tokio-serial = { version = "5.4.4", default-features = false }
 rustls-pemfile = "2.1.1"
-tokio-rustls = "0.25.0"
+tokio-rustls = "0.26.0"
 pkcs8 = { version = "0.10.2", features = ["encryption", "pem", "std"] }
 pem = "3.0.3"
 webpki = "0.22.4"
 pki-types = { package = "rustls-pki-types", version = "1" }
-rustls = "0.22.3"
+rustls = "0.23.5"
 
 [features]
 default = ["rtu", "tcp"]