diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index bb65a3f7e9..e948a36a9f 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -8834,9 +8834,9 @@ dependencies = [
 
 [[package]]
 name = "substrate-wasm-builder-runner"
-version = "1.0.6"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2a965994514ab35d3893e9260245f2947fd1981cdd4fffd2c6e6d1a9ce02e6a"
+checksum = "54cab12167e32b38a62c5ea5825aa0874cde315f907a46aad2b05aa8ef3d862f"
 
 [[package]]
 name = "subtle"
diff --git a/polkadot/parachain/test-parachains/adder/Cargo.toml b/polkadot/parachain/test-parachains/adder/Cargo.toml
index 1afd20a7f7..9d43391d1c 100644
--- a/polkadot/parachain/test-parachains/adder/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/Cargo.toml
@@ -17,7 +17,7 @@ dlmalloc = { version = "0.1.3", features = [ "global" ] }
 runtime-io = { package = "sp-io", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, features = [ "disable_allocator" ] }
 
 [build-dependencies]
-wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.0.6" }
+wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "2.0.0" }
 
 [features]
 default = [ "std" ]
diff --git a/polkadot/parachain/test-parachains/adder/build.rs b/polkadot/parachain/test-parachains/adder/build.rs
index 2e407bbef3..6ed2a43655 100644
--- a/polkadot/parachain/test-parachains/adder/build.rs
+++ b/polkadot/parachain/test-parachains/adder/build.rs
@@ -1,25 +1,25 @@
 // Copyright 2019-2020 Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use wasm_builder_runner::WasmBuilder;
 
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-		.with_wasm_builder_from_crates("2.0.0")
+		.with_wasm_builder_from_crates("2.0.1")
 		.export_heap_base()
 		.build()
 }
diff --git a/polkadot/parachain/test-parachains/halt/Cargo.toml b/polkadot/parachain/test-parachains/halt/Cargo.toml
index ca7757dbc9..af62bbf5f0 100644
--- a/polkadot/parachain/test-parachains/halt/Cargo.toml
+++ b/polkadot/parachain/test-parachains/halt/Cargo.toml
@@ -9,7 +9,7 @@ build = "build.rs"
 [dependencies]
 
 [build-dependencies]
-wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.0.6" }
+wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "2.0.0" }
 
 [features]
 default = [ "std" ]
diff --git a/polkadot/parachain/test-parachains/halt/build.rs b/polkadot/parachain/test-parachains/halt/build.rs
index 2e407bbef3..6ed2a43655 100644
--- a/polkadot/parachain/test-parachains/halt/build.rs
+++ b/polkadot/parachain/test-parachains/halt/build.rs
@@ -1,25 +1,25 @@
 // Copyright 2019-2020 Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use wasm_builder_runner::WasmBuilder;
 
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-		.with_wasm_builder_from_crates("2.0.0")
+		.with_wasm_builder_from_crates("2.0.1")
 		.export_heap_base()
 		.build()
 }
diff --git a/polkadot/runtime/kusama/Cargo.toml b/polkadot/runtime/kusama/Cargo.toml
index 9feefc9f9c..06b830139b 100644
--- a/polkadot/runtime/kusama/Cargo.toml
+++ b/polkadot/runtime/kusama/Cargo.toml
@@ -82,7 +82,7 @@ sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
 serde_json = "1.0.41"
 
 [build-dependencies]
-wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.0.6" }
+wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "2.0.0" }
 
 [features]
 default = ["std"]
diff --git a/polkadot/runtime/kusama/build.rs b/polkadot/runtime/kusama/build.rs
index af219a2931..e0c89e5649 100644
--- a/polkadot/runtime/kusama/build.rs
+++ b/polkadot/runtime/kusama/build.rs
@@ -1,25 +1,25 @@
 // Copyright 2019-2020 Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use wasm_builder_runner::WasmBuilder;
 
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-		.with_wasm_builder_from_crates("2.0.0")
+		.with_wasm_builder_from_crates("2.0.1")
 		.import_memory()
 		.export_heap_base()
 		.build()
diff --git a/polkadot/runtime/polkadot/Cargo.toml b/polkadot/runtime/polkadot/Cargo.toml
index c41f279d8c..a9fd7cb818 100644
--- a/polkadot/runtime/polkadot/Cargo.toml
+++ b/polkadot/runtime/polkadot/Cargo.toml
@@ -81,7 +81,7 @@ trie-db = "0.22.0"
 serde_json = "1.0.41"
 
 [build-dependencies]
-wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.0.6" }
+wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "2.0.0" }
 
 [features]
 default = ["std"]
diff --git a/polkadot/runtime/polkadot/build.rs b/polkadot/runtime/polkadot/build.rs
index f65f04914e..8c7a1e35dd 100644
--- a/polkadot/runtime/polkadot/build.rs
+++ b/polkadot/runtime/polkadot/build.rs
@@ -12,14 +12,14 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use wasm_builder_runner::WasmBuilder;
 
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-		.with_wasm_builder_from_crates("2.0.0")
+		.with_wasm_builder_from_crates("2.0.1")
 		.import_memory()
 		.export_heap_base()
 		.build()
diff --git a/polkadot/runtime/rococo-v1/Cargo.toml b/polkadot/runtime/rococo-v1/Cargo.toml
index 419a856586..6d7157e7da 100644
--- a/polkadot/runtime/rococo-v1/Cargo.toml
+++ b/polkadot/runtime/rococo-v1/Cargo.toml
@@ -53,7 +53,7 @@ polkadot-parachain = { path = "../../parachain", default-features = false }
 runtime-parachains = { package = "polkadot-runtime-parachains", path = "../parachains", default-features = false }
 
 [build-dependencies]
-wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.0.6" }
+wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "2.0.0" }
 
 [features]
 default = ["std"]
diff --git a/polkadot/runtime/test-runtime/Cargo.toml b/polkadot/runtime/test-runtime/Cargo.toml
index 6e62cf8633..1d269e539d 100644
--- a/polkadot/runtime/test-runtime/Cargo.toml
+++ b/polkadot/runtime/test-runtime/Cargo.toml
@@ -65,7 +65,7 @@ sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
 serde_json = "1.0.41"
 
 [build-dependencies]
-wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.0.6" }
+wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "2.0.0" }
 
 [features]
 default = ["std"]
diff --git a/polkadot/runtime/test-runtime/build.rs b/polkadot/runtime/test-runtime/build.rs
index af219a2931..e0c89e5649 100644
--- a/polkadot/runtime/test-runtime/build.rs
+++ b/polkadot/runtime/test-runtime/build.rs
@@ -1,25 +1,25 @@
 // Copyright 2019-2020 Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Substrate is distributed in the hope that it will be useful,
+// Polkadot is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use wasm_builder_runner::WasmBuilder;
 
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-		.with_wasm_builder_from_crates("2.0.0")
+		.with_wasm_builder_from_crates("2.0.1")
 		.import_memory()
 		.export_heap_base()
 		.build()
diff --git a/polkadot/runtime/westend/Cargo.toml b/polkadot/runtime/westend/Cargo.toml
index 3bc4eb03c4..f1fb0aae23 100644
--- a/polkadot/runtime/westend/Cargo.toml
+++ b/polkadot/runtime/westend/Cargo.toml
@@ -84,7 +84,7 @@ sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
 serde_json = "1.0.41"
 
 [build-dependencies]
-wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.0.6" }
+wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "2.0.0" }
 
 [features]
 default = ["std"]
diff --git a/polkadot/runtime/westend/build.rs b/polkadot/runtime/westend/build.rs
index af219a2931..8c7a1e35dd 100644
--- a/polkadot/runtime/westend/build.rs
+++ b/polkadot/runtime/westend/build.rs
@@ -1,7 +1,7 @@
 // Copyright 2019-2020 Parity Technologies (UK) Ltd.
 // This file is part of Polkadot.
 
-// Substrate is free software: you can redistribute it and/or modify
+// Polkadot is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
@@ -12,14 +12,14 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use wasm_builder_runner::WasmBuilder;
 
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-		.with_wasm_builder_from_crates("2.0.0")
+		.with_wasm_builder_from_crates("2.0.1")
 		.import_memory()
 		.export_heap_base()
 		.build()