diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 9f61c16..44fa6ea 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -40,7 +40,7 @@ regex = { version = "1.10", default-features = false, features = ["std"] }
 anyhow = "1.0"
 time = "0.3"
 
-sha2 = "0.10"
+sha2 = "0.11"
 hmac = "0.12"
 subtle = "2.5"
 reqwest = { version = "0.13", features = ["json"] }