diff --git a/Cargo.toml b/Cargo.toml
index ae1ead4..c8b58eb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,9 +29,9 @@ tokio-native-tls = { version = "0.3.0", optional = true }
 rustls = { version = "0.22.2", optional = true }
 tokio-rustls = { version = "0.25.0", optional = true }
 rustls-native-certs = { version = "0.7.0", optional = true }
-x509-parser = { version = "0.15.0", optional = true }
+x509-parser = { version = "0.16.0", optional = true }
 ring = { version = "0.17.7", optional = true }
-cross-krb5 = { version = "0.3.0", optional = true }
+cross-krb5 = { version = "0.4.0", optional = true }
 async-trait = "0.1.60"
 
 [dependencies.lber]