diff --git a/Cargo.lock b/Cargo.lock
index f22441a..d6f86b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -87,6 +87,49 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
+[[package]]
+name = "axum"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f523b4e98ba6897ae90994bc18423d9877c54f9047b06a00ddc8122a957b1c70"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags",
+ "bytes 1.1.0",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa 1.0.1",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde",
+ "sync_wrapper",
+ "tokio",
+ "tower",
+ "tower-http",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3ddbd16eabff8b45f21b98671fddcc93daaa7ac4c84f8473693437226040de5"
+dependencies = [
+ "async-trait",
+ "bytes 1.1.0",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.62"
@@ -193,7 +236,7 @@ dependencies = [
  "ledger-transport-hid",
  "ledger-zondax-generic",
  "log",
- "prost",
+ "prost 0.9.0",
  "prost-build",
  "prost-types",
  "regex",
@@ -577,7 +620,7 @@ dependencies = [
  "indexmap",
  "slab",
  "tokio",
- "tokio-util",
+ "tokio-util 0.6.8",
  "tracing",
 ]
 
@@ -676,6 +719,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "http-range-header"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfe8eed0a9285ef776bb792479ea3834e8b94e13d615c2f66d03dd50a435a29"
+
 [[package]]
 name = "httparse"
 version = "1.5.1"
@@ -928,6 +977,12 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
+[[package]]
+name = "matchit"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73cbba799671b762df5a175adf59ce145165747bb891505c43d09aefbbf38beb"
+
 [[package]]
 name = "memchr"
 version = "2.4.1"
@@ -1224,7 +1279,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "444879275cb4fd84958b1a1d5420d15e6fcf7c235fe47f053c9c2a80aceb6001"
 dependencies = [
  "bytes 1.1.0",
- "prost-derive",
+ "prost-derive 0.9.0",
+]
+
+[[package]]
+name = "prost"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a07b0857a71a8cb765763950499cae2413c3f9cede1133478c43600d9e146890"
+dependencies = [
+ "bytes 1.1.0",
+ "prost-derive 0.10.1",
 ]
 
 [[package]]
@@ -1264,7 +1329,7 @@ dependencies = [
  "log",
  "multimap",
  "petgraph",
- "prost",
+ "prost 0.9.0",
  "prost-types",
  "regex",
  "tempfile",
@@ -1284,6 +1349,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "prost-derive"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b670f45da57fb8542ebdbb6105a925fe571b67f9e7ed9f47a06a84e72b4e7cc"
+dependencies = [
+ "anyhow",
+ "itertools 0.10.1",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "prost-types"
 version = "0.9.0"
@@ -1291,7 +1369,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "534b7a0e836e3c482d2693070f982e39e7611da9695d4d1f5a4b186b51faef0a"
 dependencies = [
  "bytes 1.1.0",
- "prost",
+ "prost 0.9.0",
 ]
 
 [[package]]
@@ -1759,6 +1837,12 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20518fe4a4c9acf048008599e464deb21beeae3d3578418951a189c235a7a9a8"
+
 [[package]]
 name = "synstructure"
 version = "0.12.6"
@@ -1923,6 +2007,20 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-util"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0edfdeb067411dba2044da6d1cb2df793dd35add7888d73c16e3381ded401764"
+dependencies = [
+ "bytes 1.1.0",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "toml"
 version = "0.5.8"
@@ -1934,12 +2032,13 @@ dependencies = [
 
 [[package]]
 name = "tonic"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff08f4649d10a70ffa3522ca559031285d8e421d727ac85c60825761818f5d0a"
+checksum = "30fb54bf1e446f44d870d260d99957e7d11fb9d0a0f5bd1a662ad1411cc103f9"
 dependencies = [
  "async-stream",
  "async-trait",
+ "axum",
  "base64",
  "bytes 1.1.0",
  "futures-core",
@@ -1951,11 +2050,11 @@ dependencies = [
  "hyper-timeout",
  "percent-encoding",
  "pin-project",
- "prost",
- "prost-derive",
+ "prost 0.10.1",
+ "prost-derive 0.10.1",
  "tokio",
  "tokio-stream",
- "tokio-util",
+ "tokio-util 0.7.1",
  "tower",
  "tower-layer",
  "tower-service",
@@ -1977,9 +2076,9 @@ dependencies = [
 
 [[package]]
 name = "tower"
-version = "0.4.10"
+version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c00e500fff5fa1131c866b246041a6bf96da9c965f8fe4128cb1421f23e93c00"
+checksum = "9a89fd63ad6adf737582df5db40d286574513c69a11dac5214dc3b5603d6713e"
 dependencies = [
  "futures-core",
  "futures-util",
@@ -1989,13 +2088,31 @@ dependencies = [
  "rand 0.8.4",
  "slab",
  "tokio",
- "tokio-stream",
- "tokio-util",
+ "tokio-util 0.7.1",
  "tower-layer",
  "tower-service",
  "tracing",
 ]
 
+[[package]]
+name = "tower-http"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aba3f3efabf7fb41fae8534fc20a817013dd1c12cb45441efb6c82e6556b4cd8"
+dependencies = [
+ "bitflags",
+ "bytes 1.1.0",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-range-header",
+ "pin-project-lite",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "tower-layer"
 version = "0.3.1"
diff --git a/Cargo.toml b/Cargo.toml
index 9401deb..024c63c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ zx-bip44 = { version = "0.1.0", optional = true }
 reqwest = { version = "0.11.10", features = ["json"] }
 async-trait = "0.1.53"
 log = "0.4.16"
-tonic = { version = "0.6.2", optional = true }
+tonic = { version = "0.7.1", optional = true }
 eyre = "0.6.8"
 prost = { version = "0.9.0", optional = true }
 prost-types = { version = "0.9.0", optional = true }