diff --git a/Cargo.lock b/Cargo.lock
index 48730f03f..3d5fd5b8e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6450,7 +6450,7 @@ dependencies = [
 
 [[package]]
 name = "zcash_protocol"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "core2",
  "document-features",
diff --git a/components/zcash_protocol/CHANGELOG.md b/components/zcash_protocol/CHANGELOG.md
index d617cea98..79c2cba44 100644
--- a/components/zcash_protocol/CHANGELOG.md
+++ b/components/zcash_protocol/CHANGELOG.md
@@ -6,6 +6,8 @@ and this library adheres to Rust's notion of
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [0.4.3] - 2024-12-16
 ### Added
 - `zcash_protocol::TxId` (moved from `zcash_primitives::transaction`).
 
diff --git a/components/zcash_protocol/Cargo.toml b/components/zcash_protocol/Cargo.toml
index 093e024d0..99e30b2ba 100644
--- a/components/zcash_protocol/Cargo.toml
+++ b/components/zcash_protocol/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "zcash_protocol"
 description = "Zcash protocol network constants and value types."
-version = "0.4.2"
+version = "0.4.3"
 authors = [
     "Jack Grigg <jack@electriccoin.co>",
     "Kris Nuttycombe <kris@nutty.land>",
@@ -42,7 +42,7 @@ proptest.workspace = true
 
 [features]
 default = ["std"]
-std = ["dep:document-features", "dep:memuse"]
+std = ["document-features", "dep:memuse"]
 
 ## Exposes APIs that are useful for testing, such as `proptest` strategies.
 test-dependencies = [