diff --git a/Cargo.toml b/Cargo.toml
index a577ab9..0dcd763 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ chacha20poly1305 = { version = "0.10.1", default-features = false, optional = tr
 
 # hash
 hkdf = { version = "0.12.4", default-features = false }
-sha2 = { version = "0.10.9", default-features = false }
+sha2 = { version = "0.11.0", default-features = false }
 
 # random number generator
 getrandom = { version = "0.2.16", default-features = false }