diff --git a/Cargo.lock b/Cargo.lock
index 7c78d40..d8fa487 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1251,9 +1251,9 @@ dependencies = [
 
 [[package]]
 name = "blake3"
-version = "1.5.2"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d08263faac5cde2a4d52b513dadb80846023aade56fcd8fc99ba73ba8050e92"
+checksum = "30cca6d3674597c30ddf2c587bf8d9d65c9a84d2326d941cc79c9842dfe0ef52"
 dependencies = [
  "arrayref",
  "arrayvec",
@@ -1261,7 +1261,6 @@ dependencies = [
  "cfg-if",
  "constant_time_eq",
  "serde",
- "serde_bytes",
 ]
 
 [[package]]
@@ -5990,15 +5989,6 @@ dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde_bytes"
-version = "0.11.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "387cc504cb06bb40a96c8e04e951fe01854cf6bc921053c954e4a606d9675c6a"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.204"
diff --git a/libraries/geph5-broker-protocol/Cargo.toml b/libraries/geph5-broker-protocol/Cargo.toml
index 2a76248..c74e8ed 100644
--- a/libraries/geph5-broker-protocol/Cargo.toml
+++ b/libraries/geph5-broker-protocol/Cargo.toml
@@ -13,7 +13,7 @@ serde = { version = "1.0.204", features = ["derive"] }
 bytes = { version = "1.6.0", features = ["serde"] }
 ed25519-dalek = { version = "2.1.1", features = ["serde"] }
 stdcode = "0.1.14"
-blake3 = { version = "1.5.1", features = ["serde"] }
+blake3 = { version = "=1.5.1", features = ["serde"] }
 isocountry = "0.3.2"
 language-tags = { version = "0.3.2", features = ["serde"] }
 serde_with = { version = "3.8.3", features = ["hex"] }