diff --git a/adapters/spdk_rust/Cargo.lock b/adapters/spdk_rust/Cargo.lock
index 5432d7c..a13995e 100644
--- a/adapters/spdk_rust/Cargo.lock
+++ b/adapters/spdk_rust/Cargo.lock
@@ -2,6 +2,12 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "arrayvec"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
 [[package]]
 name = "bech32"
 version = "0.9.1"
@@ -14,20 +20,39 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "230c5f1ca6a325a32553f8640d31ac9b49f2411e901e427570154868b46da4f7"
 
+[[package]]
+name = "bitcoin-consensus-encoding"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2d6094e2a1ba3c93b5a596fe5a10d1a10c3c6e06785cde89f693a044c01aa40"
+dependencies = [
+ "bitcoin-internals",
+]
+
 [[package]]
 name = "bitcoin-internals"
-version = "0.2.0"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a30a22d1f112dde8e16be7b45c63645dc165cef254f835b3e1e9553e485cfa64"
+
+[[package]]
+name = "bitcoin_hashes"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9425c3bf7089c983facbae04de54513cce73b41c7f9ff8c845b54e7bc64ebbfb"
+checksum = "446819536d8121575eeb7e89efdbadb3f055e87e4bb66c6679a6d5cc2f4b64fd"
+dependencies = [
+ "hex-conservative 0.1.2",
+]
 
 [[package]]
 name = "bitcoin_hashes"
-version = "0.13.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1930a4dabfebb8d7d9992db18ebe3ae2876f0a305fab206fd168df931ede293b"
+checksum = "232d00a672e33d5e78dbee8b4b94d1da215595561539d14351851e3e35449841"
 dependencies = [
+ "bitcoin-consensus-encoding",
  "bitcoin-internals",
- "hex-conservative",
+ "hex-conservative 1.2.0",
 ]
 
 [[package]]
@@ -58,6 +83,15 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "212ab92002354b4819390025006c897e8140934349e8635c9b077f47b4dcbd20"
 
+[[package]]
+name = "hex-conservative"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35431185f361ccf3ffc58254628af5f1f5d5f28531da2e02e5d6c82bbc282a10"
+dependencies = [
+ "arrayvec",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.18"
@@ -185,7 +219,7 @@ checksum = "131d42e3050dd88c79e4849b27eaf0cda0625f4e910d97bf05044a1300459f85"
 dependencies = [
  "bech32",
  "bimap",
- "bitcoin_hashes",
+ "bitcoin_hashes 0.13.1",
  "hex",
  "secp256k1",
  "serde",
@@ -195,7 +229,7 @@ dependencies = [
 name = "sp-differ-semantic-adapter-spdk"
 version = "0.1.0"
 dependencies = [
- "bitcoin_hashes",
+ "bitcoin_hashes 0.21.0",
  "hex",
  "libc",
  "serde",
diff --git a/adapters/spdk_rust/Cargo.toml b/adapters/spdk_rust/Cargo.toml
index 4b085e8..3cc01a2 100644
--- a/adapters/spdk_rust/Cargo.toml
+++ b/adapters/spdk_rust/Cargo.toml
@@ -8,7 +8,7 @@ name = "sp_differ_semantic_worker_spdk"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-bitcoin_hashes = "0.13"
+bitcoin_hashes = "0.21"
 hex = "0.4"
 libc = "0.2"
 serde = { version = "1.0", features = ["derive"] }