diff --git a/Cargo.toml b/Cargo.toml
index 862ef858..843351c3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -71,7 +71,7 @@ time = { version = "0.3.5", optional = true, features = ["parsing", "formatting"
 # Non-feature optional dependencies
 blocking = { version = "1.0.2", optional = true }
 lru = { version = "0.7.1", optional = true }
-sha2 = { version = "0.9.3", optional = true }
+sha2 = { version = "0.10.2", optional = true }
 futures-timer = { version = "3.0.2", optional = true }
 futures-channel = { version = "0.3.13", optional = true }
 serde_cbor = { version = "0.11.1", optional = true }