diff --git a/Cargo.lock b/Cargo.lock
index c9b2c70..84c20c9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -448,7 +448,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -466,7 +466,7 @@ dependencies = [
 [[package]]
 name = "frame-metadata"
 version = "11.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -477,7 +477,7 @@ dependencies = [
 [[package]]
 name = "frame-support"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "bitmask",
  "frame-metadata",
@@ -502,7 +502,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "frame-support-procedural-tools",
  "proc-macro2",
@@ -513,7 +513,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate",
@@ -525,7 +525,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools-derive"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -535,7 +535,7 @@ dependencies = [
 [[package]]
 name = "frame-system"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "frame-support",
  "impl-trait-for-tuples",
@@ -1038,7 +1038,7 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 [[package]]
 name = "pallet-balances"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -1615,7 +1615,7 @@ checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
 [[package]]
 name = "sp-api"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "hash-db",
  "parity-scale-codec",
@@ -1630,7 +1630,7 @@ dependencies = [
 [[package]]
 name = "sp-api-proc-macro"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "blake2-rfc",
  "proc-macro-crate",
@@ -1642,7 +1642,7 @@ dependencies = [
 [[package]]
 name = "sp-application-crypto"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -1654,7 +1654,7 @@ dependencies = [
 [[package]]
 name = "sp-arithmetic"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "integer-sqrt",
  "num-traits",
@@ -1667,7 +1667,7 @@ dependencies = [
 [[package]]
 name = "sp-core"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "base58",
  "blake2-rfc",
@@ -1711,7 +1711,7 @@ dependencies = [
 [[package]]
 name = "sp-debug-derive"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1721,7 +1721,7 @@ dependencies = [
 [[package]]
 name = "sp-externalities"
 version = "0.8.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "environmental",
  "parity-scale-codec",
@@ -1732,7 +1732,7 @@ dependencies = [
 [[package]]
 name = "sp-inherents"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "derive_more",
  "parity-scale-codec",
@@ -1744,7 +1744,7 @@ dependencies = [
 [[package]]
 name = "sp-io"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "futures",
  "hash-db",
@@ -1765,7 +1765,7 @@ dependencies = [
 [[package]]
 name = "sp-panic-handler"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "backtrace",
  "log",
@@ -1774,7 +1774,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "either",
  "hash256-std-hasher",
@@ -1796,7 +1796,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "parity-scale-codec",
  "primitive-types",
@@ -1812,7 +1812,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface-proc-macro"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "Inflector",
  "proc-macro-crate",
@@ -1824,7 +1824,7 @@ dependencies = [
 [[package]]
 name = "sp-state-machine"
 version = "0.8.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "hash-db",
  "itertools",
@@ -1845,12 +1845,12 @@ dependencies = [
 [[package]]
 name = "sp-std"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 
 [[package]]
 name = "sp-storage"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "impl-serde 0.2.3",
  "parity-scale-codec",
@@ -1863,7 +1863,7 @@ dependencies = [
 [[package]]
 name = "sp-tracing"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "log",
  "rental",
@@ -1873,7 +1873,7 @@ dependencies = [
 [[package]]
 name = "sp-trie"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -1887,7 +1887,7 @@ dependencies = [
 [[package]]
 name = "sp-version"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "impl-serde 0.2.3",
  "parity-scale-codec",
@@ -1899,7 +1899,7 @@ dependencies = [
 [[package]]
 name = "sp-wasm-interface"
 version = "2.0.0-rc6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -1943,7 +1943,7 @@ dependencies = [
 [[package]]
 name = "substrate-wasm-builder-runner"
 version = "1.0.6"
-source = "git+https://github.com/paritytech/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
+source = "git+https://github.com/centrifuge/substrate.git?rev=be8bb186d87b9d2b47a2907c9b51ae1e252362c3#be8bb186d87b9d2b47a2907c9b51ae1e252362c3"
 
 [[package]]
 name = "subtle"
diff --git a/chainbridge/Cargo.toml b/chainbridge/Cargo.toml
index f2caa59..c7bc9d7 100644
--- a/chainbridge/Cargo.toml
+++ b/chainbridge/Cargo.toml
@@ -10,19 +10,19 @@ codec = { package = "parity-scale-codec", version = "1.3.4", default-features =
 serde = { version = "1.0.102", optional = true }
 
 # primitives
-sp-std = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-runtime = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-io = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-core = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-std = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-runtime = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-io = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-core = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
 # frame dependencies
-frame-support = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-frame-system = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+frame-support = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+frame-system = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
-pallet-balances = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+pallet-balances = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
 [build-dependencies]
-wasm-builder-runner = { version = "1.0.5", package = "substrate-wasm-builder-runner", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3" }
+wasm-builder-runner = { version = "1.0.5", package = "substrate-wasm-builder-runner", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3" }
 [features]
 default = ["std"]
 std = [
diff --git a/example-erc721/Cargo.toml b/example-erc721/Cargo.toml
index 9c6aa33..1723986 100644
--- a/example-erc721/Cargo.toml
+++ b/example-erc721/Cargo.toml
@@ -10,22 +10,22 @@ codec = { package = "parity-scale-codec", version = "1.3.4", default-features =
 serde = { version = "1.0.102", optional = true }
 
 # primitives
-sp-std = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-runtime = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-io = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-core = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-std = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-runtime = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-io = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-core = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
 # frame dependencies
-frame-support = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-frame-system = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+frame-support = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+frame-system = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
 chainbridge = { path = "../chainbridge" , default-features = false }
 
 [dev-dependencies]
-pallet-balances = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+pallet-balances = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
 [build-dependencies]
-wasm-builder-runner = { version = "1.0.5", package = "substrate-wasm-builder-runner", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3" }
+wasm-builder-runner = { version = "1.0.5", package = "substrate-wasm-builder-runner", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3" }
 [features]
 default = ["std"]
 std = [
diff --git a/example-pallet/Cargo.toml b/example-pallet/Cargo.toml
index 58c980a..150cec7 100644
--- a/example-pallet/Cargo.toml
+++ b/example-pallet/Cargo.toml
@@ -10,24 +10,24 @@ codec = { package = "parity-scale-codec", version = "1.3.0", default-features =
 serde = { version = "1.0.102", optional = true }
 
 # primitives
-sp-std = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-runtime = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-io = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-core = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-sp-arithmetic = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-std = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-runtime = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-io = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-core = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+sp-arithmetic = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
 # frame dependencies
-frame-support = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
-frame-system = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+frame-support = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+frame-system = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
 chainbridge = { path = "../chainbridge" , default-features = false}
 example-erc721 = { path = "../example-erc721", default-features = false }
 
 [dev-dependencies]
-pallet-balances = { version = "2.0.0-rc6", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
+pallet-balances = { version = "2.0.0-rc6", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3", default-features = false }
 
 [build-dependencies]
-wasm-builder-runner = { version = "1.0.5", package = "substrate-wasm-builder-runner", git = "https://github.com/paritytech/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3" }
+wasm-builder-runner = { version = "1.0.5", package = "substrate-wasm-builder-runner", git = "https://github.com/centrifuge/substrate.git", rev = "be8bb186d87b9d2b47a2907c9b51ae1e252362c3" }
 [features]
 default = ["std"]
 std = [