diff --git a/sasl/Cargo.toml b/sasl/Cargo.toml
index e810179..ed76194 100644
--- a/sasl/Cargo.toml
+++ b/sasl/Cargo.toml
@@ -19,9 +19,9 @@ default = ["scram"]
 scram = ["base64", "getrandom", "sha-1", "sha2", "hmac", "pbkdf2"]
 
 [dependencies]
-base64 = { version = "0.12", optional = true }
-getrandom = { version = "0.1", optional = true }
+base64 = { version = "0.13", optional = true }
+getrandom = { version = "0.2", optional = true }
 sha-1 = { version = "0.9", optional = true }
 sha2 = { version = "0.9", optional = true }
-hmac = { version = "0.8", optional = true }
-pbkdf2 = { version = "0.4", default-features = false, optional = true }
+hmac = { version = "0.10", optional = true }
+pbkdf2 = { version = "0.6", default-features = false, optional = true }