diff --git a/Cargo.toml b/Cargo.toml
index 48c8f017..5c15278e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,7 +52,7 @@ rand = { version = "0.8.4", optional = true }
 rand_alt = { package = "rand", version = "0.7.3", features = ["std"] }
 rand_chacha = { version = "0.3.1", optional = true }
 secp256kfun = { git = "https://github.com/farcaster-project/secp256kfun.git", branch = "secp256k1/0.22", default-features = false, features = ["std", "serde", "libsecp_compat"], optional = true }
-sha2 = { version = "0.9", optional = true }
+sha2 = { version = "0.10", optional = true }
 sha3 = "0.10"
 
 # blockchain specific