diff --git a/Cargo.toml b/Cargo.toml
index f1b8875f7..06e09f688 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -101,7 +101,7 @@ rand = "0.5.1"
 rayon = "1.0.0"
 reqwest = "0.9.0"
 ring = "0.13.2"
-sha2 = "0.7.0"
+sha2 = "0.8.0"
 serde = "1.0.27"
 serde_cbor = "0.9.0"
 serde_derive = "1.0.27"