diff --git a/Cargo.lock b/Cargo.lock
index 0ff12c3d..cab74298 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1012,7 +1012,7 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 [[package]]
 name = "orchard"
 version = "0.0.0"
-source = "git+https://github.com/zcash/orchard.git?rev=d0baa18fc6105df4a7847de2b6dc50c5919b3123#d0baa18fc6105df4a7847de2b6dc50c5919b3123"
+source = "git+https://github.com/zcash/orchard.git?rev=6aa85fcdfe5e97c8e0ef8616caec4430098b909d#6aa85fcdfe5e97c8e0ef8616caec4430098b909d"
 dependencies = [
  "aes 0.6.0",
  "arrayvec 0.7.1",
diff --git a/Cargo.toml b/Cargo.toml
index 61882816..3b2371d3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,7 +52,7 @@ zcash_proofs = {git = "https://github.com/nuttycom/librustzcash", rev = "7d819b6
 zcash_note_encryption = { git = "https://github.com/zcash/librustzcash.git", rev = "13b023387bafdc7b5712c933dc0e16ee94b96a6a" }
 # In development.
 halo2 = { git = "https://github.com/zcash/halo2.git", rev = "27c4187673a9c6ade13fbdbd4f20955530c22d7f" }
-orchard = { git = "https://github.com/zcash/orchard.git", rev = "d0baa18fc6105df4a7847de2b6dc50c5919b3123" }
+orchard = { git = "https://github.com/zcash/orchard.git", rev = "6aa85fcdfe5e97c8e0ef8616caec4430098b909d" }
 incrementalmerkletree = { git = "https://github.com/zcash/incrementalmerkletree.git", rev = "b7bd6246122a6e9ace8edb51553fbf5228906cbb" }
 
 
@@ -62,4 +62,4 @@ jubjub = { git = "https://github.com/zkcrypto/jubjub.git", rev = "96ab4162b83303
 
 [features]
 mainnet = ["zcash_client_sqlite/mainnet"]
-testnet = []
\ No newline at end of file
+testnet = []