diff --git a/backend-lib/Cargo.lock b/backend-lib/Cargo.lock
index b13a4c20..0820a7d3 100644
--- a/backend-lib/Cargo.lock
+++ b/backend-lib/Cargo.lock
@@ -477,7 +477,7 @@ checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 [[package]]
 name = "equihash"
 version = "0.2.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=a99e842404ad99d3ec73082b0cd6679e6adc0ee2#a99e842404ad99d3ec73082b0cd6679e6adc0ee2"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
 dependencies = [
  "blake2b_simd",
  "byteorder",
@@ -502,7 +502,7 @@ dependencies = [
 [[package]]
 name = "f4jumble"
 version = "0.1.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=a99e842404ad99d3ec73082b0cd6679e6adc0ee2#a99e842404ad99d3ec73082b0cd6679e6adc0ee2"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
 dependencies = [
  "blake2b_simd",
 ]
@@ -1053,7 +1053,7 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 [[package]]
 name = "orchard"
 version = "0.6.0"
-source = "git+https://github.com/zcash/orchard.git?rev=189257391a5726d7f3f2568d547a5ef8603c7156#189257391a5726d7f3f2568d547a5ef8603c7156"
+source = "git+https://github.com/zcash/orchard.git?rev=9a85034ce932ca398da16529482e5efecc474c50#9a85034ce932ca398da16529482e5efecc474c50"
 dependencies = [
  "aes",
  "bitvec",
@@ -2208,8 +2208,8 @@ dependencies = [
 
 [[package]]
 name = "zcash_address"
-version = "0.3.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=a99e842404ad99d3ec73082b0cd6679e6adc0ee2#a99e842404ad99d3ec73082b0cd6679e6adc0ee2"
+version = "0.3.1"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
 dependencies = [
  "bech32",
  "bs58",
@@ -2220,7 +2220,7 @@ dependencies = [
 [[package]]
 name = "zcash_client_backend"
 version = "0.10.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=a99e842404ad99d3ec73082b0cd6679e6adc0ee2#a99e842404ad99d3ec73082b0cd6679e6adc0ee2"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
 dependencies = [
  "base64",
  "bech32",
@@ -2250,6 +2250,7 @@ dependencies = [
  "which",
  "zcash_address",
  "zcash_encoding",
+ "zcash_keys",
  "zcash_note_encryption",
  "zcash_primitives",
  "zip32",
@@ -2258,7 +2259,7 @@ dependencies = [
 [[package]]
 name = "zcash_client_sqlite"
 version = "0.8.1"
-source = "git+https://github.com/zcash/librustzcash.git?rev=a99e842404ad99d3ec73082b0cd6679e6adc0ee2#a99e842404ad99d3ec73082b0cd6679e6adc0ee2"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
 dependencies = [
  "bs58",
  "byteorder",
@@ -2288,12 +2289,36 @@ dependencies = [
 [[package]]
 name = "zcash_encoding"
 version = "0.2.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=a99e842404ad99d3ec73082b0cd6679e6adc0ee2#a99e842404ad99d3ec73082b0cd6679e6adc0ee2"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
 dependencies = [
  "byteorder",
  "nonempty",
 ]
 
+[[package]]
+name = "zcash_keys"
+version = "0.0.0"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+dependencies = [
+ "bech32",
+ "bls12_381",
+ "bs58",
+ "byteorder",
+ "document-features",
+ "group",
+ "hdwallet",
+ "memuse",
+ "nonempty",
+ "rand_core",
+ "sapling-crypto",
+ "subtle",
+ "tracing",
+ "zcash_address",
+ "zcash_encoding",
+ "zcash_primitives",
+ "zip32",
+]
+
 [[package]]
 name = "zcash_note_encryption"
 version = "0.4.0"
@@ -2310,7 +2335,7 @@ dependencies = [
 [[package]]
 name = "zcash_primitives"
 version = "0.13.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=a99e842404ad99d3ec73082b0cd6679e6adc0ee2#a99e842404ad99d3ec73082b0cd6679e6adc0ee2"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
 dependencies = [
  "aes",
  "bip0039",
@@ -2347,7 +2372,7 @@ dependencies = [
 [[package]]
 name = "zcash_proofs"
 version = "0.13.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=a99e842404ad99d3ec73082b0cd6679e6adc0ee2#a99e842404ad99d3ec73082b0cd6679e6adc0ee2"
+source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
 dependencies = [
  "bellman",
  "blake2b_simd",
diff --git a/backend-lib/Cargo.toml b/backend-lib/Cargo.toml
index 0728233c..17219d7a 100644
--- a/backend-lib/Cargo.toml
+++ b/backend-lib/Cargo.toml
@@ -64,10 +64,10 @@ path = "src/main/rust/lib.rs"
 crate-type = ["staticlib", "cdylib"]
 
 [patch.crates-io]
-orchard = { git = "https://github.com/zcash/orchard.git", rev = "189257391a5726d7f3f2568d547a5ef8603c7156" }
+orchard = { git = "https://github.com/zcash/orchard.git", rev = "9a85034ce932ca398da16529482e5efecc474c50" }
 sapling = { package = "sapling-crypto", git = "https://github.com/zcash/sapling-crypto.git", rev = "4ec6a48daab0af1fe6cb930f6a150030ce91d0e9" }
-zcash_address = { git = "https://github.com/zcash/librustzcash.git", rev = "a99e842404ad99d3ec73082b0cd6679e6adc0ee2" }
-zcash_client_backend = { git = "https://github.com/zcash/librustzcash.git", rev = "a99e842404ad99d3ec73082b0cd6679e6adc0ee2" }
-zcash_client_sqlite = { git = "https://github.com/zcash/librustzcash.git", rev = "a99e842404ad99d3ec73082b0cd6679e6adc0ee2" }
-zcash_primitives = { git = "https://github.com/zcash/librustzcash.git", rev = "a99e842404ad99d3ec73082b0cd6679e6adc0ee2" }
-zcash_proofs = { git = "https://github.com/zcash/librustzcash.git", rev = "a99e842404ad99d3ec73082b0cd6679e6adc0ee2" }
+zcash_address = { git = "https://github.com/zcash/librustzcash.git", rev = "961f902795133b34c17c61a8f540aba4bc097006" }
+zcash_client_backend = { git = "https://github.com/zcash/librustzcash.git", rev = "961f902795133b34c17c61a8f540aba4bc097006" }
+zcash_client_sqlite = { git = "https://github.com/zcash/librustzcash.git", rev = "961f902795133b34c17c61a8f540aba4bc097006" }
+zcash_primitives = { git = "https://github.com/zcash/librustzcash.git", rev = "961f902795133b34c17c61a8f540aba4bc097006" }
+zcash_proofs = { git = "https://github.com/zcash/librustzcash.git", rev = "961f902795133b34c17c61a8f540aba4bc097006" }