diff --git a/Cargo.toml b/Cargo.toml
index 8270869..92e8fc5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,16 +19,16 @@ is-it-maintained-open-issues = { repository = "lettre/lettre" }
 maintenance = { status = "actively-developed" }
 
 [dependencies]
-chumsky = "0.8.0"
-idna = "0.3"
+chumsky = "0.9"
+idna = "0.4"
 once_cell = { version = "1", optional = true }
 tracing = { version = "0.1.16", default-features = false, features = ["std"], optional = true } # feature
 
 # builder
 httpdate = { version = "1", optional = true }
 mime = { version = "0.3.4", optional = true }
-fastrand = { version = "1.4", optional = true }
-quoted_printable = { version = "0.4.6", optional = true }
+fastrand = { version = "2.0", optional = true }
+quoted_printable = { version = "0.5", optional = true }
 base64 = { version = "0.21", optional = true }
 email-encoding = { version = "0.2", optional = true }
 
@@ -68,7 +68,7 @@ tokio1_boring = { package = "tokio-boring", version = "2.1.4", optional = true }
 
 ## dkim
 sha2 = { version = "0.10", optional = true, features = ["oid"] }
-rsa = { version = "0.8", optional = true }
+rsa = { version = "0.9", optional = true }
 ed25519-dalek = { version = "1.0.1", optional = true }
 
 # email formats
@@ -76,7 +76,7 @@ email_address = { version = "0.2.1", default-features = false }
 
 [dev-dependencies]
 pretty_assertions = "1"
-criterion = "0.4"
+criterion = "0.5"
 tracing = { version = "0.1.16", default-features = false, features = ["std"] }
 tracing-subscriber = "0.3"
 glob = "0.3"
@@ -84,7 +84,7 @@ walkdir = "2"
 tokio1_crate = { package = "tokio", version = "1", features = ["macros", "rt-multi-thread"] }
 async-std = { version = "1.8", features = ["attributes"] }
 serde_json = "1"
-maud = "0.24"
+maud = "0.25"
 
 [[bench]]
 harness = false