diff --git a/Cargo.lock b/Cargo.lock
index 778d3827..67415824 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -491,7 +491,7 @@ dependencies = [
  "clap",
  "criterion-plot",
  "csv",
- "itertools 0.9.0",
+ "itertools",
  "lazy_static",
  "num-traits",
  "oorandom",
@@ -513,7 +513,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e022feadec601fba1649cfa83586381a4ad31c6bf3a9ab7d408118b05dd9889d"
 dependencies = [
  "cast",
- "itertools 0.9.0",
+ "itertools",
 ]
 
 [[package]]
@@ -1281,8 +1281,8 @@ dependencies = [
  "multibase",
  "multihash 0.11.4",
  "once_cell",
- "prost 0.6.1",
- "prost-build 0.6.1",
+ "prost",
+ "prost-build",
  "rand",
  "serde",
  "serde_json",
@@ -1310,10 +1310,10 @@ dependencies = [
  "libp2p-core",
  "libp2p-swarm",
  "multihash 0.11.4",
- "prost 0.6.1",
- "prost-build 0.6.1",
+ "prost",
+ "prost-build",
  "thiserror",
- "tokio 0.3.6",
+ "tokio 1.0.1",
  "tracing",
  "unsigned-varint 0.3.3",
 ]
@@ -1336,8 +1336,8 @@ dependencies = [
  "multihash 0.11.4",
  "openssl",
  "percent-encoding",
- "prost 0.6.1",
- "prost-build 0.6.1",
+ "prost",
+ "prost-build",
  "serde",
  "serde_json",
  "structopt",
@@ -1376,15 +1376,6 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47be2f14c678be2fdcab04ab1171db51b2762ce6f0a8ee87c8dd4a04ed216135"
 
-[[package]]
-name = "itertools"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f56a2d0bc861f9165be4eb3442afd3c236d8a98afd426f65d92324ae1091a484"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itertools"
 version = "0.9.0"
@@ -1475,8 +1466,8 @@ dependencies = [
  "parity-multiaddr",
  "parking_lot",
  "pin-project 1.0.4",
- "prost 0.7.0",
- "prost-build 0.7.0",
+ "prost",
+ "prost-build",
  "rand",
  "ring",
  "rw-stream-sink",
@@ -1518,8 +1509,8 @@ dependencies = [
  "libp2p-core",
  "libp2p-swarm",
  "log",
- "prost 0.7.0",
- "prost-build 0.7.0",
+ "prost",
+ "prost-build",
  "rand",
  "smallvec",
 ]
@@ -1533,8 +1524,8 @@ dependencies = [
  "libp2p-core",
  "libp2p-swarm",
  "log",
- "prost 0.7.0",
- "prost-build 0.7.0",
+ "prost",
+ "prost-build",
  "smallvec",
  "wasm-timer",
 ]
@@ -1553,8 +1544,8 @@ dependencies = [
  "libp2p-core",
  "libp2p-swarm",
  "log",
- "prost 0.7.0",
- "prost-build 0.7.0",
+ "prost",
+ "prost-build",
  "rand",
  "sha2 0.9.1",
  "smallvec",
@@ -1592,8 +1583,8 @@ dependencies = [
  "lazy_static",
  "libp2p-core",
  "log",
- "prost 0.7.0",
- "prost-build 0.7.0",
+ "prost",
+ "prost-build",
  "rand",
  "sha2 0.9.1",
  "snow",
@@ -2206,16 +2197,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "prost"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce49aefe0a6144a45de32927c77bd2859a5f7677b55f220ae5b744e87389c212"
-dependencies = [
- "bytes 0.5.6",
- "prost-derive 0.6.1",
-]
-
 [[package]]
 name = "prost"
 version = "0.7.0"
@@ -2223,25 +2204,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e6984d2f1a23009bd270b8bb56d0926810a3d483f59c987d77969e9d8e840b2"
 dependencies = [
  "bytes 1.0.1",
- "prost-derive 0.7.0",
-]
-
-[[package]]
-name = "prost-build"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02b10678c913ecbd69350e8535c3aef91a8676c0773fc1d7b95cdd196d7f2f26"
-dependencies = [
- "bytes 0.5.6",
- "heck",
- "itertools 0.8.2",
- "log",
- "multimap",
- "petgraph",
- "prost 0.6.1",
- "prost-types 0.6.1",
- "tempfile",
- "which 3.1.1",
+ "prost-derive",
 ]
 
 [[package]]
@@ -2252,27 +2215,14 @@ checksum = "32d3ebd75ac2679c2af3a92246639f9fcc8a442ee420719cc4fe195b98dd5fa3"
 dependencies = [
  "bytes 1.0.1",
  "heck",
- "itertools 0.9.0",
+ "itertools",
  "log",
  "multimap",
  "petgraph",
- "prost 0.7.0",
- "prost-types 0.7.0",
+ "prost",
+ "prost-types",
  "tempfile",
- "which 4.0.2",
-]
-
-[[package]]
-name = "prost-derive"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "537aa19b95acde10a12fec4301466386f757403de4cd4e5b4fa78fb5ecb18f72"
-dependencies = [
- "anyhow",
- "itertools 0.8.2",
- "proc-macro2",
- "quote",
- "syn",
+ "which",
 ]
 
 [[package]]
@@ -2282,22 +2232,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "169a15f3008ecb5160cba7d37bcd690a7601b6d30cfb87a117d45e59d52af5d4"
 dependencies = [
  "anyhow",
- "itertools 0.9.0",
+ "itertools",
  "proc-macro2",
  "quote",
  "syn",
 ]
 
-[[package]]
-name = "prost-types"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1834f67c0697c001304b75be76f67add9c89742eda3a085ad8ee0bb38c3417aa"
-dependencies = [
- "bytes 0.5.6",
- "prost 0.6.1",
-]
-
 [[package]]
 name = "prost-types"
 version = "0.7.0"
@@ -2305,7 +2245,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b518d7cdd93dab1d1122cf07fa9a60771836c668dde9d9e2a139f957f0d9f1bb"
 dependencies = [
  "bytes 1.0.1",
- "prost 0.7.0",
+ "prost",
 ]
 
 [[package]]
@@ -3364,15 +3304,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "which"
-version = "3.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d011071ae14a2f6671d0b74080ae0cd8ebf3a6f8c9589a2cd45f23126fe29724"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "which"
 version = "4.0.2"
diff --git a/Cargo.toml b/Cargo.toml
index 484095b5..b12ba868 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ ipfs-unixfs = { version = "0.2", path = "unixfs" }
 libp2p = { default-features = false, features = ["floodsub", "identify", "kad", "tcp-tokio", "mplex", "noise", "ping", "yamux", "dns"], git = "https://github.com/libp2p/rust-libp2p.git" }
 multibase = { default-features = false, version = "0.8" }
 multihash = { default-features = false, version = "0.11" }
-prost = { default-features = false, version = "0.6" }
+prost = { default-features = false, version = "0.7" }
 rand = { default-features = false, version = "0.7" }
 serde = { default-features = false, features = ["derive"], version = "1.0" }
 serde_json = { default-features = false, features = ["std"], version = "1.0" }
@@ -55,7 +55,7 @@ once_cell = "1.5.2"
 ipconfig = { default-features = false, version = "0.2" }
 
 [build-dependencies]
-prost-build = { default-features = false, version = "0.6" }
+prost-build = { default-features = false, version = "0.7" }
 
 [dev-dependencies]
 hex-literal = { default-features = false, version = "0.3" }
diff --git a/bitswap/Cargo.toml b/bitswap/Cargo.toml
index 483382f9..f46dc8ff 100644
--- a/bitswap/Cargo.toml
+++ b/bitswap/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 repository = "https://github.com/rs-ipfs/rust-ipfs"
 
 [build-dependencies]
-prost-build = { default-features = false, version = "0.6" }
+prost-build = { default-features = false, version = "0.7" }
 
 [dependencies]
 cid = { default-features = false, version = "0.5" }
@@ -17,7 +17,7 @@ futures = { default-features = false, version = "0.3" }
 libp2p-core = { default-features = false, git = "https://github.com/libp2p/rust-libp2p.git" }
 libp2p-swarm = { default-features = false, git = "https://github.com/libp2p/rust-libp2p.git" }
 multihash = { default-features = false, version = "0.11" }
-prost = { default-features = false, version = "0.6" }
+prost = { default-features = false, version = "0.7" }
 thiserror = { default-features = false, version = "1.0" }
 tokio = { default-features = false, version = "1", features = ["rt"] }
 tracing = { default-features = false, version = "0.1" }
diff --git a/http/Cargo.toml b/http/Cargo.toml
index 911a615b..3e635b8d 100644
--- a/http/Cargo.toml
+++ b/http/Cargo.toml
@@ -6,7 +6,7 @@ name = "ipfs-http"
 version = "0.1.0"
 
 [build-dependencies]
-prost-build = { default-features = false, version = "0.6" }
+prost-build = { default-features = false, version = "0.7" }
 vergen = { default-features = false, version = "3.1" }
 
 [dependencies]
@@ -24,7 +24,7 @@ multihash = { default-features = false, version = "0.11" }
 # openssl is required for rsa keygen but not used by the rust-ipfs or its dependencies
 openssl = { default-features = false, version = "0.10" }
 percent-encoding = { default-features = false, version = "2.1" }
-prost = { default-features = false, version = "0.6.1" }
+prost = { default-features = false, version = "0.7" }
 serde = { default-features = false, features = ["derive"], version = "1.0" }
 serde_json = { default-features = false, version = "1.0" }
 structopt = { default-features = false, version = "0.3" }