diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1333a35e..05ac4429 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ and this project adheres to Rust's notion of
 
 ## [Unreleased]
 
+## [0.5.0] - 2023-06-06
+### Changed
+- Migrated to `zcash_note_encryption 0.4`, `incrementalmerkletree 0.4`, `bridgetree 0.3`.
+  `bridgetree` is now exclusively a test dependency.
+
 ## [0.4.0] - 2023-04-11
 ### Added
 - `orchard::builder`:
diff --git a/Cargo.toml b/Cargo.toml
index 4105511d..124bf9cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "orchard"
-version = "0.4.0"
+version = "0.5.0"
 authors = [
     "Sean Bowe <sean@electriccoin.co>",
     "Jack Grigg <jack@electriccoin.co>",
@@ -41,8 +41,8 @@ reddsa = "0.5"
 nonempty = "0.7"
 serde = { version = "1.0", features = ["derive"] }
 subtle = "2.3"
-zcash_note_encryption = "0.3"
-incrementalmerkletree = "0.3.1"
+zcash_note_encryption = "0.4"
+incrementalmerkletree = "0.4"
 
 # Logging
 tracing = "0.1"
@@ -52,13 +52,13 @@ image = { version = ">= 0.24, < 0.24.5", optional = true } # 0.24.5 has MSRV 1.6
 plotters = { version = "0.3.0", optional = true }
 
 [dev-dependencies]
-bridgetree = "0.2"
+bridgetree = "0.3"
 criterion = "0.3"
 halo2_gadgets = { version = "0.3", features = ["test-dependencies"] }
 hex = "0.4"
 proptest = "1.0.0"
-zcash_note_encryption = { version = "0.3", features = ["pre-zip-212"] }
-incrementalmerkletree = { version = "0.3", features = ["test-dependencies"] }
+zcash_note_encryption = { version = "0.4", features = ["pre-zip-212"] }
+incrementalmerkletree = { version = "0.4", features = ["test-dependencies"] }
 
 [target.'cfg(unix)'.dev-dependencies]
 inferno = ">= 0.11, < 0.11.15"
@@ -90,8 +90,3 @@ debug = true
 
 [profile.bench]
 debug = true
-
-[patch.crates-io]
-zcash_note_encryption = { git = "https://github.com/zcash/librustzcash.git", rev = "be89e81534a9108b6ecb79fc7509b9adc32d14d6" }
-bridgetree = { git = "https://github.com/zcash/incrementalmerkletree.git", rev = "62f0c9039b0bee94c16c40c272e19c5922290664" }
-incrementalmerkletree = { git = "https://github.com/zcash/incrementalmerkletree.git", rev = "62f0c9039b0bee94c16c40c272e19c5922290664" }