diff --git a/backend-lib/Cargo.lock b/backend-lib/Cargo.lock
index 0820a7d3..74a4fe5c 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=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 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=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 dependencies = [
  "blake2b_simd",
 ]
@@ -1052,8 +1052,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "orchard"
-version = "0.6.0"
-source = "git+https://github.com/zcash/orchard.git?rev=9a85034ce932ca398da16529482e5efecc474c50#9a85034ce932ca398da16529482e5efecc474c50"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92c801aeaccd19bb6916d71f25694b62d223061872900e8022221c1ad8dcad2d"
 dependencies = [
  "aes",
  "bitvec",
@@ -1075,6 +1076,8 @@ dependencies = [
  "subtle",
  "tracing",
  "zcash_note_encryption",
+ "zcash_spec",
+ "zip32",
 ]
 
 [[package]]
@@ -1469,8 +1472,9 @@ dependencies = [
 
 [[package]]
 name = "sapling-crypto"
-version = "0.0.1"
-source = "git+https://github.com/zcash/sapling-crypto.git?rev=4ec6a48daab0af1fe6cb930f6a150030ce91d0e9#4ec6a48daab0af1fe6cb930f6a150030ce91d0e9"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f5de898a7cdb7f6d9c8fb888341b6ae6e2aeae88227b7f435f1dda49ecf9e62"
 dependencies = [
  "aes",
  "bellman",
@@ -2209,7 +2213,7 @@ dependencies = [
 [[package]]
 name = "zcash_address"
 version = "0.3.1"
-source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 dependencies = [
  "bech32",
  "bs58",
@@ -2220,7 +2224,7 @@ dependencies = [
 [[package]]
 name = "zcash_client_backend"
 version = "0.10.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 dependencies = [
  "base64",
  "bech32",
@@ -2259,7 +2263,7 @@ dependencies = [
 [[package]]
 name = "zcash_client_sqlite"
 version = "0.8.1"
-source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 dependencies = [
  "bs58",
  "byteorder",
@@ -2283,13 +2287,14 @@ dependencies = [
  "zcash_address",
  "zcash_client_backend",
  "zcash_encoding",
+ "zcash_keys",
  "zcash_primitives",
 ]
 
 [[package]]
 name = "zcash_encoding"
 version = "0.2.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 dependencies = [
  "byteorder",
  "nonempty",
@@ -2298,7 +2303,7 @@ dependencies = [
 [[package]]
 name = "zcash_keys"
 version = "0.0.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 dependencies = [
  "bech32",
  "bls12_381",
@@ -2309,6 +2314,7 @@ dependencies = [
  "hdwallet",
  "memuse",
  "nonempty",
+ "orchard",
  "rand_core",
  "sapling-crypto",
  "subtle",
@@ -2335,7 +2341,7 @@ dependencies = [
 [[package]]
 name = "zcash_primitives"
 version = "0.13.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 dependencies = [
  "aes",
  "bip0039",
@@ -2372,7 +2378,7 @@ dependencies = [
 [[package]]
 name = "zcash_proofs"
 version = "0.13.0"
-source = "git+https://github.com/zcash/librustzcash.git?rev=961f902795133b34c17c61a8f540aba4bc097006#961f902795133b34c17c61a8f540aba4bc097006"
+source = "git+https://github.com/zcash/librustzcash.git?rev=e387c6ce3f76ff32f023849f816f8b4214dc437f#e387c6ce3f76ff32f023849f816f8b4214dc437f"
 dependencies = [
  "bellman",
  "blake2b_simd",
diff --git a/backend-lib/Cargo.toml b/backend-lib/Cargo.toml
index 17219d7a..975e9cf2 100644
--- a/backend-lib/Cargo.toml
+++ b/backend-lib/Cargo.toml
@@ -18,7 +18,7 @@ hex = "0.4"
 jni = { version = "0.21", default-features = false }
 prost = "0.12"
 rusqlite = "0.29"
-sapling = { package = "sapling-crypto", version = "0.0", default-features = false }
+sapling = { package = "sapling-crypto", version = "0.1", default-features = false }
 schemer = "0.2"
 secp256k1 = "0.26"
 secrecy = "0.8"
@@ -27,7 +27,7 @@ zcash_client_backend = { version = "0.10", features = ["transparent-inputs", "un
 zcash_client_sqlite = { version = "^0.8.1", features = ["transparent-inputs", "unstable"] }
 zcash_primitives = "0.13"
 zcash_proofs = "0.13"
-orchard = { version = "0.6", default-features = false }
+orchard = { version = "0.7", default-features = false }
 
 # Initialization
 rayon = "1.7"
@@ -64,10 +64,9 @@ path = "src/main/rust/lib.rs"
 crate-type = ["staticlib", "cdylib"]
 
 [patch.crates-io]
-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 = "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" }
+# Tag `ecc_sdk-20240129`
+zcash_address = { git = "https://github.com/zcash/librustzcash.git", rev = "e387c6ce3f76ff32f023849f816f8b4214dc437f" }
+zcash_client_backend = { git = "https://github.com/zcash/librustzcash.git", rev = "e387c6ce3f76ff32f023849f816f8b4214dc437f" }
+zcash_client_sqlite = { git = "https://github.com/zcash/librustzcash.git", rev = "e387c6ce3f76ff32f023849f816f8b4214dc437f" }
+zcash_primitives = { git = "https://github.com/zcash/librustzcash.git", rev = "e387c6ce3f76ff32f023849f816f8b4214dc437f" }
+zcash_proofs = { git = "https://github.com/zcash/librustzcash.git", rev = "e387c6ce3f76ff32f023849f816f8b4214dc437f" }
diff --git a/backend-lib/src/main/rust/lib.rs b/backend-lib/src/main/rust/lib.rs
index 8b5fb4ce..a14cfdf1 100644
--- a/backend-lib/src/main/rust/lib.rs
+++ b/backend-lib/src/main/rust/lib.rs
@@ -69,6 +69,10 @@ mod utils;
 const ANCHOR_OFFSET_U32: u32 = 10;
 const ANCHOR_OFFSET: NonZeroU32 = unsafe { NonZeroU32::new_unchecked(ANCHOR_OFFSET_U32) };
 
+// Do not generate Orchard receivers until we support receiving Orchard funds.
+const DEFAULT_ADDRESS_REQUEST: UnifiedAddressRequest =
+    UnifiedAddressRequest::unsafe_new(false, true, true);
+
 #[cfg(debug_assertions)]
 fn print_debug_state() {
     debug!("WARNING! Debugging enabled! This will likely slow things down 10X!");
@@ -376,7 +380,7 @@ pub extern "C" fn Java_cash_z_ecc_android_sdk_internal_jni_RustDerivationTool_de
             .map(|usk| usk.to_unified_full_viewing_key())?;
 
         let (ua, _) = ufvk
-            .find_address(DiversifierIndex::new(), UnifiedAddressRequest::DEFAULT)
+            .find_address(DiversifierIndex::new(), DEFAULT_ADDRESS_REQUEST)
             .expect("At least one Unified Address should be derivable");
         let address_str = ua.encode(&network);
         let output = env
@@ -411,7 +415,7 @@ pub extern "C" fn Java_cash_z_ecc_android_sdk_internal_jni_RustDerivationTool_de
 
         // Derive the default Unified Address (containing the default Sapling payment
         // address that older SDKs used).
-        let (ua, _) = ufvk.default_address();
+        let (ua, _) = ufvk.default_address(DEFAULT_ADDRESS_REQUEST);
         let address_str = ua.encode(&network);
         let output = env
             .new_string(address_str)