diff --git a/Cargo.lock b/Cargo.lock
index ae964c2987..c878c9028e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -308,9 +308,9 @@ dependencies = [
 
 [[package]]
 name = "blake3"
-version = "0.3.7"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9ff35b701f3914bdb8fad3368d822c766ef2858b2583198e41639b936f09d3f"
+checksum = "b64485778c4f16a6a5a9d335e80d449ac6c70cdd6a06d2af18a6f6f775a125b3"
 dependencies = [
  "arrayref",
  "arrayvec",
diff --git a/core/Cargo.toml b/core/Cargo.toml
index a3e1757ac0..589ac4543a 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -17,7 +17,7 @@ codecov = { repository = "solana-labs/solana", branch = "master", service = "git
 ahash = "0.7.4"
 base64 = "0.12.3"
 bincode = "1.3.3"
-blake3 = "0.3.7"
+blake3 = "0.3.8"
 bv = { version = "0.11.1", features = ["serde"] }
 bs58 = "0.4.0"
 byteorder = "1.3.4"
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index 30fea59a55..8f7003eee8 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -158,9 +158,9 @@ checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "blake3"
-version = "0.3.7"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9ff35b701f3914bdb8fad3368d822c766ef2858b2583198e41639b936f09d3f"
+checksum = "b64485778c4f16a6a5a9d335e80d449ac6c70cdd6a06d2af18a6f6f775a125b3"
 dependencies = [
  "arrayref",
  "arrayvec",
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index c06a53e5f6..627e541b4f 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2018"
 [dependencies]
 arrayref = "0.3.6"
 bincode = "1.3.3"
-blake3 = "0.3.7"
+blake3 = "0.3.8"
 bv = { version = "0.11.1", features = ["serde"] }
 byteorder = "1.3.4"
 bzip2 = "0.3.3"