diff --git a/ucan/Cargo.toml b/ucan/Cargo.toml
index 7e0e581e..005f935c 100644
--- a/ucan/Cargo.toml
+++ b/ucan/Cargo.toml
@@ -29,7 +29,7 @@ bs58 = "0.4"
 cid = "0.9"
 futures = "0.3"
 instant = { version = "0.1", features = ["wasm-bindgen", "stdweb"] }
-libipld-core = { version = "0.15", features = ["serde-codec", "serde"] }
+libipld-core = { version = "0.16", features = ["serde-codec", "serde"] }
 libipld-json = "0.15"
 log = "0.4"
 rand = "0.8"