diff --git a/Cargo.lock b/Cargo.lock
index e18e2095ed..46273bbc72 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1003,9 +1003,9 @@ dependencies = [
 
 [[package]]
 name = "blake3"
-version = "1.4.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "199c42ab6972d92c9f8995f086273d25c42fc0f7b2a1fcefba465c1352d25ba5"
+checksum = "0231f06152bf547e9c2b5194f247cd97aacf6dcd8b15d8e5ec0663f64580da87"
 dependencies = [
  "arrayref",
  "arrayvec",
diff --git a/Cargo.toml b/Cargo.toml
index c1a4d45a6d..6fe925a50c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,7 +44,7 @@ bitvec = { version = "1.0.1", default-features = false, features = [
         "atomic",
         "serde",
 ] }
-blake3 = "1.4"
+blake3 = "1.5"
 commit = { git = "https://github.com/EspressoSystems/commit", tag = "0.2.2" }
 custom_debug = "0.5"
 digest = "0.10"