diff --git a/tools/downstream-migration/Cargo.lock b/tools/downstream-migration/Cargo.lock
index aa3a6ed..5c59fcb 100644
--- a/tools/downstream-migration/Cargo.lock
+++ b/tools/downstream-migration/Cargo.lock
@@ -2,12 +2,6 @@
 # It is not intended for manual editing.
 version = 4
 
-[[package]]
-name = "arrayref"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76a2e8124351fda1ef8aaaa3bbd7ebbcb486bbcd4225aca0aa0d84bb2db8fecb"
-
 [[package]]
 name = "arrayvec"
 version = "0.7.8"
@@ -19,11 +13,10 @@ dependencies = [
 
 [[package]]
 name = "blake3"
-version = "1.8.5"
+version = "1.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0aa83c34e62843d924f905e0f5c866eb1dd6545fc4d719e803d9ba6030371fce"
+checksum = "6d9e454fc11f76977dc803893aff6304ed33d6a26efae8696573bea74baa27ae"
 dependencies = [
- "arrayref",
  "arrayvec",
  "cc",
  "cfg-if",