diff --git a/ucan-key-support/Cargo.toml b/ucan-key-support/Cargo.toml
index de5b88b1..371d69e9 100644
--- a/ucan-key-support/Cargo.toml
+++ b/ucan-key-support/Cargo.toml
@@ -25,7 +25,7 @@ async-trait = "0.1"
 bs58 = "0.4"
 ed25519-zebra = "3.1"
 log = "0.4"
-rsa = "0.8"
+rsa = "0.9"
 p256 = "0.13"
 sha2 = { version = "0.10", features = ["oid"] }
 ucan = { path = "../ucan", version = "0.1.2" }