diff --git a/Cargo.lock b/Cargo.lock
index 0fa05779d2..4aa78cadaf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -310,6 +310,49 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
+[[package]]
+name = "axum"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4af7447fc1214c1f3a1ace861d0216a6c8bb13965b64bbad9650f375b67689a"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags",
+ "bytes",
+ "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 = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da31c0ed7b4690e2c78fe4b880d21cd7db04a346ebc658b4270251b695437f17"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.64"
@@ -953,7 +996,7 @@ dependencies = [
  "criterion-plot",
  "csv",
  "futures",
- "itertools 0.10.3",
+ "itertools",
  "lazy_static",
  "num-traits",
  "oorandom",
@@ -976,7 +1019,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d00996de9f2f7559f7f4dc286073197f83e92256a59ed395f9aac01fe717da57"
 dependencies = [
  "cast",
- "itertools 0.10.3",
+ "itertools",
 ]
 
 [[package]]
@@ -1514,8 +1557,8 @@ dependencies = [
  "thiserror",
  "tokio",
  "tokio-stream",
- "tokio-util",
- "tonic 0.4.3",
+ "tokio-util 0.6.9",
+ "tonic 0.7.2",
  "tracing",
  "tracing-appender",
  "tracing-futures",
@@ -1932,7 +1975,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8bc64bdceb2909623131a62d470e809c32f86b8329d82f8d31d9971349cb00a"
 dependencies = [
  "gtmpl_value",
- "itertools 0.10.3",
+ "itertools",
  "lazy_static",
  "percent-encoding",
 ]
@@ -1958,7 +2001,7 @@ dependencies = [
  "indexmap",
  "slab",
  "tokio",
- "tokio-util",
+ "tokio-util 0.6.9",
  "tracing",
 ]
 
@@ -2104,9 +2147,9 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31f4c6746584866f0feabcc69893c5b51beef3831656a968ed7ae254cdc4fd03"
+checksum = "ff8670570af52249509a86f5e3e18a08c60b177071826898fde8997cf5f6bfbb"
 dependencies = [
  "bytes",
  "fnv",
@@ -2124,6 +2167,12 @@ 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 = "http-zipkin"
 version = "0.3.0"
@@ -2332,15 +2381,6 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68f2d64f2edebec4ce84ad108148e67e1064789bee435edc5b60ad398714a3a9"
 
-[[package]]
-name = "itertools"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itertools"
 version = "0.10.3"
@@ -2458,8 +2498,8 @@ dependencies = [
  "time",
  "tokio",
  "tokio-stream",
- "tokio-util",
- "tonic 0.6.2",
+ "tokio-util 0.6.9",
+ "tonic 0.7.2",
  "tracing",
  "tracing-appender",
  "tracing-futures",
@@ -2523,7 +2563,7 @@ dependencies = [
  "thiserror",
  "tokio",
  "tokio-stream",
- "tonic 0.6.2",
+ "tonic 0.7.2",
  "tonic-build",
  "tracing",
  "tracing-subscriber",
@@ -2578,7 +2618,7 @@ dependencies = [
  "thiserror",
  "thor",
  "tokio",
- "tonic 0.6.2",
+ "tonic 0.7.2",
  "tracing",
  "url",
  "yaml-rust",
@@ -2914,6 +2954,12 @@ 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"
@@ -3620,7 +3666,7 @@ checksum = "a5aab5be6e4732b473071984b3164dbbfb7a3674d30ea5ff44410b6bcd960c3c"
 dependencies = [
  "difflib",
  "float-cmp",
- "itertools 0.10.3",
+ "itertools",
  "normalize-line-endings",
  "predicates-core",
  "regex",
@@ -3766,22 +3812,22 @@ dependencies = [
 
 [[package]]
 name = "prost"
-version = "0.7.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6984d2f1a23009bd270b8bb56d0926810a3d483f59c987d77969e9d8e840b2"
+checksum = "444879275cb4fd84958b1a1d5420d15e6fcf7c235fe47f053c9c2a80aceb6001"
 dependencies = [
  "bytes",
- "prost-derive 0.7.0",
+ "prost-derive 0.9.0",
 ]
 
 [[package]]
 name = "prost"
-version = "0.9.0"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "444879275cb4fd84958b1a1d5420d15e6fcf7c235fe47f053c9c2a80aceb6001"
+checksum = "bc03e116981ff7d8da8e5c220e374587b98d294af7ba7dd7fda761158f00086f"
 dependencies = [
  "bytes",
- "prost-derive 0.9.0",
+ "prost-derive 0.10.1",
 ]
 
 [[package]]
@@ -3792,7 +3838,7 @@ checksum = "62941722fb675d463659e49c4f3fe1fe792ff24fe5bbaa9c08cd3b98a1c354f5"
 dependencies = [
  "bytes",
  "heck",
- "itertools 0.10.3",
+ "itertools",
  "lazy_static",
  "log",
  "multimap",
@@ -3806,12 +3852,12 @@ dependencies = [
 
 [[package]]
 name = "prost-derive"
-version = "0.7.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "169a15f3008ecb5160cba7d37bcd690a7601b6d30cfb87a117d45e59d52af5d4"
+checksum = "f9cc1a3263e07e0bf68e96268f37665207b49560d98739662cdfaae215c720fe"
 dependencies = [
  "anyhow",
- "itertools 0.9.0",
+ "itertools",
  "proc-macro2 1.0.36",
  "quote 1.0.15",
  "syn 1.0.86",
@@ -3819,12 +3865,12 @@ dependencies = [
 
 [[package]]
 name = "prost-derive"
-version = "0.9.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9cc1a3263e07e0bf68e96268f37665207b49560d98739662cdfaae215c720fe"
+checksum = "7b670f45da57fb8542ebdbb6105a925fe571b67f9e7ed9f47a06a84e72b4e7cc"
 dependencies = [
  "anyhow",
- "itertools 0.10.3",
+ "itertools",
  "proc-macro2 1.0.36",
  "quote 1.0.15",
  "syn 1.0.86",
@@ -4379,9 +4425,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.78"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d23c1ba4cf0efd44be32017709280b32d1cea5c3f1275c3b6d9e8bc54f758085"
+checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
 dependencies = [
  "itoa 1.0.1",
  "ryu",
@@ -4713,6 +4759,12 @@ dependencies = [
  "unicode-xid 0.2.2",
 ]
 
+[[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"
@@ -5024,7 +5076,7 @@ dependencies = [
  "futures-core",
  "pin-project-lite",
  "tokio",
- "tokio-util",
+ "tokio-util 0.6.9",
 ]
 
 [[package]]
@@ -5055,6 +5107,20 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-util"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0edfdeb067411dba2044da6d1cb2df793dd35add7888d73c16e3381ded401764"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "toml"
 version = "0.5.8"
@@ -5066,9 +5132,9 @@ dependencies = [
 
 [[package]]
 name = "tonic"
-version = "0.4.3"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ac42cd97ac6bd2339af5bcabf105540e21e45636ec6fa6aae5e85d44db31be0"
+checksum = "ff08f4649d10a70ffa3522ca559031285d8e421d727ac85c60825761818f5d0a"
 dependencies = [
  "async-stream",
  "async-trait",
@@ -5080,14 +5146,16 @@ dependencies = [
  "http",
  "http-body",
  "hyper",
+ "hyper-timeout",
  "percent-encoding",
  "pin-project",
- "prost 0.7.0",
- "prost-derive 0.7.0",
+ "prost 0.9.0",
+ "prost-derive 0.9.0",
  "tokio",
  "tokio-stream",
- "tokio-util",
+ "tokio-util 0.6.9",
  "tower",
+ "tower-layer",
  "tower-service",
  "tracing",
  "tracing-futures",
@@ -5095,12 +5163,13 @@ dependencies = [
 
 [[package]]
 name = "tonic"
-version = "0.6.2"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff08f4649d10a70ffa3522ca559031285d8e421d727ac85c60825761818f5d0a"
+checksum = "5be9d60db39854b30b835107500cf0aca0b0d14d6e1c3de124217c23a29c2ddb"
 dependencies = [
  "async-stream",
  "async-trait",
+ "axum",
  "base64",
  "bytes",
  "futures-core",
@@ -5112,11 +5181,11 @@ dependencies = [
  "hyper-timeout",
  "percent-encoding",
  "pin-project",
- "prost 0.9.0",
- "prost-derive 0.9.0",
+ "prost 0.10.3",
+ "prost-derive 0.10.1",
  "tokio",
  "tokio-stream",
- "tokio-util",
+ "tokio-util 0.7.1",
  "tower",
  "tower-layer",
  "tower-service",
@@ -5151,12 +5220,31 @@ dependencies = [
  "slab",
  "tokio",
  "tokio-stream",
- "tokio-util",
+ "tokio-util 0.6.9",
  "tower-layer",
  "tower-service",
  "tracing",
 ]
 
+[[package]]
+name = "tower-http"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e980386f06883cf4d0578d6c9178c81f68b45d77d00f2c2c1bc034b3439c2c56"
+dependencies = [
+ "bitflags",
+ "bytes",
+ "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"
@@ -5237,7 +5325,7 @@ dependencies = [
  "serde_json",
  "thiserror",
  "tokio",
- "tokio-util",
+ "tokio-util 0.6.9",
  "tracing-core",
  "tracing-futures",
  "tracing-subscriber",
@@ -5563,7 +5651,7 @@ dependencies = [
  "tokio-rustls 0.22.0",
  "tokio-stream",
  "tokio-tungstenite",
- "tokio-util",
+ "tokio-util 0.6.9",
  "tower-service",
  "tracing",
 ]
diff --git a/explorer/Cargo.toml b/explorer/Cargo.toml
index 92f0e4887f..706c779793 100644
--- a/explorer/Cargo.toml
+++ b/explorer/Cargo.toml
@@ -16,7 +16,7 @@ futures-util = "0.3.5"
 async-graphql = "3"
 async-graphql-warp = "3"
 serde = {version = "1.0.114", features = ["derive"]}
-serde_json = "1.0.56"
+serde_json = "1.0.81"
 serde_yaml = "0.8.13"
 structopt = "0.3.15"
 thiserror = "1.0.20"
@@ -31,7 +31,7 @@ tracing-appender = "0.2"
 tokio = { version = "^1.4", features = ["rt-multi-thread", "time", "sync", "rt", "signal", "test-util"] }
 tokio-stream = { version = "0.1.4", features = ["sync"] }
 tokio-util = { version = "0.6.0", features = ["time"] }
-tonic = "0.4"
+tonic = "0.7"
 multiaddr = { package = "parity-multiaddr", version = "0.11" }
 rand = "0.8.5"
 rand_chacha = "0.3.0"
diff --git a/jormungandr/Cargo.toml b/jormungandr/Cargo.toml
index d1bcf695a4..b5ff44882a 100644
--- a/jormungandr/Cargo.toml
+++ b/jormungandr/Cargo.toml
@@ -40,7 +40,7 @@ rand = "0.8"
 rand_chacha = "0.3"
 serde = "1.0"
 serde_derive = "1.0"
-serde_json = "1.0.74"
+serde_json = "1.0.81"
 serde_yaml = "0.8"
 structopt = "^0.3"
 time = { version = "0.3", features = ["macros"] }
@@ -55,7 +55,7 @@ tracing-appender = "0.2"
 tokio = { version = "^1.15", features = ["rt-multi-thread", "time", "sync", "rt", "signal", "test-util"] }
 tokio-stream = { version = "0.1.4", features = ["sync"] }
 tokio-util = { version = "0.6.0", features = ["time"] }
-tonic = "0.6"
+tonic = "0.7"
 lru = "0.7"
 warp = { version = "0.3.2", features = ["tls"] }
 serde_with = { version = "1.12", features = ["macros"] }
diff --git a/testing/jormungandr-automation/Cargo.toml b/testing/jormungandr-automation/Cargo.toml
index efb357057a..c92ebc695b 100644
--- a/testing/jormungandr-automation/Cargo.toml
+++ b/testing/jormungandr-automation/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-tonic = "0.6"
+tonic = "0.7"
 prost = "0.9"
 tokio = { version = "1.15", features = ["macros","rt","rt-multi-thread"] }
 tokio-stream = "0.1"
diff --git a/testing/jormungandr-integration-tests/Cargo.toml b/testing/jormungandr-integration-tests/Cargo.toml
index a46308413a..9f7336e262 100644
--- a/testing/jormungandr-integration-tests/Cargo.toml
+++ b/testing/jormungandr-integration-tests/Cargo.toml
@@ -5,7 +5,7 @@ authors = [ "dev@iohk.io" ]
 edition = "2021"
 
 [dependencies]
-tonic = "0.6"
+tonic = "0.7"
 bech32 = "0.7"
 prost = "0.9"
 tokio = { version = "1.15", features = ["macros", "time"] }