diff --git a/extmod/foundation-rust/Cargo.lock b/extmod/foundation-rust/Cargo.lock
index 88a7e55f1..24722ba01 100644
--- a/extmod/foundation-rust/Cargo.lock
+++ b/extmod/foundation-rust/Cargo.lock
@@ -26,11 +26,20 @@ dependencies = [
  "rustc_version 0.2.3",
 ]
 
+[[package]]
+name = "bitcoin-private"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73290177011694f38ec25e165d0387ab7ea749a4b81cd4c80dae5988229f7a57"
+
 [[package]]
 name = "bitcoin_hashes"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90064b8dee6815a6470d60bad07bbbaee885c0e12d04177138fa3291a01b7bc4"
+checksum = "5d7066118b13d4b20b23645932dfb3a81ce7e29f95726c2036fa33cd7b092501"
+dependencies = [
+ "bitcoin-private",
+]
 
 [[package]]
 name = "bitfield"
@@ -112,14 +121,46 @@ version = "0.1.0"
 dependencies = [
  "cortex-m",
  "critical-section",
+ "foundation-ur",
+ "foundation-urtypes",
  "heapless",
  "minicbor",
  "once_cell",
  "rand",
  "rand_core",
  "secp256k1",
- "ur",
- "ur-foundation",
+ "uuid",
+]
+
+[[package]]
+name = "foundation-arena"
+version = "0.1.0"
+source = "git+https://github.com/Foundation-Devices/foundation-rs?branch=main#28dc6f45e89d683ad19f799c3145fe1c575a79d7"
+
+[[package]]
+name = "foundation-ur"
+version = "0.1.0"
+source = "git+https://github.com/Foundation-Devices/foundation-rs?branch=main#28dc6f45e89d683ad19f799c3145fe1c575a79d7"
+dependencies = [
+ "bitcoin_hashes",
+ "crc",
+ "heapless",
+ "hex",
+ "itertools",
+ "minicbor",
+ "phf",
+ "rand_xoshiro",
+]
+
+[[package]]
+name = "foundation-urtypes"
+version = "0.1.0"
+source = "git+https://github.com/Foundation-Devices/foundation-rs?branch=main#28dc6f45e89d683ad19f799c3145fe1c575a79d7"
+dependencies = [
+ "foundation-arena",
+ "heapless",
+ "hex",
+ "minicbor",
  "uuid",
 ]
 
@@ -438,33 +479,6 @@ version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
-[[package]]
-name = "ur"
-version = "0.3.0"
-source = "git+https://github.com/Foundation-Devices/ur-rs?branch=dev#69297429b4ff6444e049883f79305df678130b30"
-dependencies = [
- "bitcoin_hashes",
- "crc",
- "heapless",
- "itertools",
- "minicbor",
- "phf",
- "rand_xoshiro",
- "uuid",
-]
-
-[[package]]
-name = "ur-foundation"
-version = "0.1.0"
-source = "git+https://github.com/Foundation-Devices/rust-ur-foundation?branch=dev-v0.1.0#0ae542143ba9232d734f58a0bee1b22d9a0517a2"
-dependencies = [
- "heapless",
- "hex",
- "minicbor",
- "ur",
- "uuid",
-]
-
 [[package]]
 name = "uuid"
 version = "1.3.3"