diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5b7a9c85c5a..31b2eae0c6d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -107,6 +107,22 @@ test-linux-stable:
       fi
     - sccache -s
 
+check-runtime-benchmarks:
+  stage:                           test
+  <<:                              *docker-env
+  script:
+    # Check that the node will compile with `runtime-benchmarks` feature flag.
+    - time cargo check --features runtime-benchmarks
+    - sccache -s
+
+cargo-check-try-runtime:
+  stage:                           test
+  <<:                              *docker-env
+  script:
+    # Check that the node will compile with `try-runtime` feature flag.
+    - time cargo check --features try-runtime
+    - sccache -s
+
 #### stage:                        publish
 
 publish-s3:
diff --git a/Cargo.lock b/Cargo.lock
index 741c696b79b..0ee7e4c9f96 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6055,6 +6055,7 @@ dependencies = [
  "substrate-build-script-utils",
  "substrate-frame-rpc-system",
  "substrate-prometheus-endpoint",
+ "try-runtime-cli",
 ]
 
 [[package]]
@@ -6076,6 +6077,7 @@ dependencies = [
  "frame-system",
  "frame-system-benchmarking",
  "frame-system-rpc-runtime-api",
+ "frame-try-runtime",
  "hex-literal 0.3.4",
  "log",
  "pallet-aura",
@@ -6699,6 +6701,7 @@ dependencies = [
  "substrate-frame-rpc-system",
  "substrate-prometheus-endpoint",
  "tempfile",
+ "try-runtime-cli",
  "westmint-runtime",
 ]
 
@@ -9816,6 +9819,7 @@ dependencies = [
  "frame-executive",
  "frame-support",
  "frame-system",
+ "frame-try-runtime",
  "log",
  "parachain-info",
  "parity-scale-codec",
@@ -10712,6 +10716,7 @@ dependencies = [
  "frame-system",
  "frame-system-benchmarking",
  "frame-system-rpc-runtime-api",
+ "frame-try-runtime",
  "hex-literal 0.3.4",
  "log",
  "node-primitives",
@@ -10777,6 +10782,7 @@ dependencies = [
  "frame-system",
  "frame-system-benchmarking",
  "frame-system-rpc-runtime-api",
+ "frame-try-runtime",
  "hex-literal 0.3.4",
  "log",
  "node-primitives",
@@ -12170,6 +12176,7 @@ dependencies = [
  "frame-system",
  "frame-system-benchmarking",
  "frame-system-rpc-runtime-api",
+ "frame-try-runtime",
  "hex-literal 0.3.4",
  "log",
  "node-primitives",
diff --git a/Cargo.toml b/Cargo.toml
index f677317b2f6..241e54fd609 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,4 +38,4 @@ members = [
 ]
 
 [profile.release]
-panic = "unwind"
\ No newline at end of file
+panic = "unwind"
diff --git a/client/cli/src/lib.rs b/client/cli/src/lib.rs
index d9545f191ad..f0d9b0b1063 100644
--- a/client/cli/src/lib.rs
+++ b/client/cli/src/lib.rs
@@ -133,7 +133,7 @@ pub struct RunCmd {
 }
 
 /// A non-redundant version of the `RunCmd` that sets the `validator` field when the
-/// original `RunCmd` had the `colaltor` field.
+/// original `RunCmd` had the `collator` field.
 /// This is how we make `--collator` imply `--validator`.
 pub struct NormalizedRunCmd {
 	/// The cumulus RunCmd inherents from sc_cli's
diff --git a/pallets/collator-selection/Cargo.toml b/pallets/collator-selection/Cargo.toml
index 94211b53a37..7150905240c 100644
--- a/pallets/collator-selection/Cargo.toml
+++ b/pallets/collator-selection/Cargo.toml
@@ -60,3 +60,5 @@ std = [
 	"pallet-authorship/std",
 	"pallet-session/std",
 ]
+
+try-runtime = [ "frame-support/try-runtime" ]
diff --git a/pallets/collator-selection/src/benchmarking.rs b/pallets/collator-selection/src/benchmarking.rs
index e9c50e3df6e..cc91fd88ecd 100644
--- a/pallets/collator-selection/src/benchmarking.rs
+++ b/pallets/collator-selection/src/benchmarking.rs
@@ -88,7 +88,7 @@ fn register_validators<T: Config + session::Config>(count: u32) {
 	let validators = (0..count).map(|c| validator::<T>(c)).collect::<Vec<_>>();
 
 	for (who, keys) in validators {
-		<session::Module<T>>::set_keys(RawOrigin::Signed(who).into(), keys, Vec::new()).unwrap();
+		<session::Pallet<T>>::set_keys(RawOrigin::Signed(who).into(), keys, Vec::new()).unwrap();
 	}
 }
 
diff --git a/pallets/session-benchmarking/src/lib.rs b/pallets/session-benchmarking/src/lib.rs
index 533cc01d3c9..453c50d341e 100644
--- a/pallets/session-benchmarking/src/lib.rs
+++ b/pallets/session-benchmarking/src/lib.rs
@@ -18,7 +18,7 @@
 #![cfg(feature = "runtime-benchmarks")]
 use sp_std::{prelude::*, vec};
 
-use frame_benchmarking::{benchmarks, impl_benchmark_test_suite, whitelisted_caller};
+use frame_benchmarking::{benchmarks, whitelisted_caller};
 use frame_system::RawOrigin;
 use pallet_session::*;
 pub struct Pallet<T: Config>(pallet_session::Pallet<T>);
@@ -39,6 +39,4 @@ benchmarks! {
 		let proof: Vec<u8> = vec![0,1,2,3];
 		let _t = pallet_session::Pallet::<T>::set_keys(RawOrigin::Signed(caller.clone()).into(), keys, proof);
 	}: _(RawOrigin::Signed(caller))
-
 }
-impl_benchmark_test_suite!(Pallet, crate::mock::new_test_ext(), crate::mock::Test, extra = false,);
diff --git a/parachain-template/node/Cargo.toml b/parachain-template/node/Cargo.toml
index 9e6508437d0..661ed9d75d7 100644
--- a/parachain-template/node/Cargo.toml
+++ b/parachain-template/node/Cargo.toml
@@ -21,6 +21,7 @@ path = "src/main.rs"
 
 [features]
 runtime-benchmarks = ["parachain-template-runtime/runtime-benchmarks"]
+try-runtime = [ "parachain-template-runtime/try-runtime" ]
 
 [dependencies]
 derive_more = "0.99.2"
@@ -39,6 +40,7 @@ parachain-template-runtime = { path = "../runtime" }
 # Substrate Dependencies
 frame-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master" }
 frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
+try-runtime-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 pallet-transaction-payment-rpc = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
@@ -92,3 +94,4 @@ polkadot-cli = { git = "https://github.com/paritytech/polkadot", branch = "maste
 polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "master" }
 polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
 polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+
diff --git a/parachain-template/node/src/cli.rs b/parachain-template/node/src/cli.rs
index 1ed730984d2..53040d7c581 100644
--- a/parachain-template/node/src/cli.rs
+++ b/parachain-template/node/src/cli.rs
@@ -37,6 +37,9 @@ pub enum Subcommand {
 	/// The custom benchmark subcommmand benchmarking runtime pallets.
 	#[structopt(name = "benchmark", about = "Benchmark runtime pallets.")]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
+
+	/// Try some testing command against a specified runtime state.
+	TryRuntime(try_runtime_cli::TryRuntimeCmd),
 }
 
 /// Command for exporting the genesis state of the parachain
diff --git a/parachain-template/node/src/command.rs b/parachain-template/node/src/command.rs
index 59fb46e3a20..b03e83fcf96 100644
--- a/parachain-template/node/src/command.rs
+++ b/parachain-template/node/src/command.rs
@@ -13,7 +13,10 @@ use sc_cli::{
 	ChainSpec, CliConfiguration, DefaultConfigurationValues, ImportParams, KeystoreParams,
 	NetworkParams, Result, RuntimeVersion, SharedParams, SubstrateCli,
 };
-use sc_service::config::{BasePath, PrometheusConfig};
+use sc_service::{
+	config::{BasePath, PrometheusConfig},
+	TaskManager,
+};
 use sp_core::hexdisplay::HexDisplay;
 use sp_runtime::traits::Block as BlockT;
 use std::{io::Write, net::SocketAddr};
@@ -237,6 +240,22 @@ pub fn run() -> Result<()> {
 				You can enable it with `--features runtime-benchmarks`."
 					.into())
 			},
+		Some(Subcommand::TryRuntime(cmd)) =>
+			if cfg!(feature = "try-runtime") {
+				let runner = cli.create_runner(cmd)?;
+
+				// grab the task manager.
+				let registry = &runner.config().prometheus_config.as_ref().map(|cfg| &cfg.registry);
+				let task_manager =
+					TaskManager::new(runner.config().tokio_handle.clone(), *registry)
+						.map_err(|e| format!("Error: {:?}", e))?;
+
+				runner.async_run(|config| {
+					Ok((cmd.run::<Block, TemplateRuntimeExecutor>(config), task_manager))
+				})
+			} else {
+				Err("Try-runtime must be enabled by `--features try-runtime`.".into())
+			},
 		None => {
 			let runner = cli.create_runner(&cli.run.normalize())?;
 
diff --git a/parachain-template/pallets/template/Cargo.toml b/parachain-template/pallets/template/Cargo.toml
index 8ad0825b0c1..aa67b725bbd 100644
--- a/parachain-template/pallets/template/Cargo.toml
+++ b/parachain-template/pallets/template/Cargo.toml
@@ -35,3 +35,4 @@ std = [
 	"frame-system/std",
 	"frame-benchmarking/std",
 ]
+try-runtime = [ "frame-support/try-runtime" ]
diff --git a/parachain-template/runtime/Cargo.toml b/parachain-template/runtime/Cargo.toml
index 673a5ffde8d..beb9b87a75e 100644
--- a/parachain-template/runtime/Cargo.toml
+++ b/parachain-template/runtime/Cargo.toml
@@ -42,6 +42,7 @@ sp-version = { git = "https://github.com/paritytech/substrate", default-features
 
 ## Substrate FRAME Dependencies
 frame-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
 frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
 frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
@@ -144,3 +145,8 @@ runtime-benchmarks = [
 	"pallet-xcm/runtime-benchmarks",
 	"cumulus-pallet-session-benchmarking/runtime-benchmarks",
 ]
+
+try-runtime = [
+	"frame-try-runtime",
+	"frame-executive/try-runtime",
+]
diff --git a/parachain-template/runtime/src/lib.rs b/parachain-template/runtime/src/lib.rs
index 23ebd91b2f5..d2459f17d80 100644
--- a/parachain-template/runtime/src/lib.rs
+++ b/parachain-template/runtime/src/lib.rs
@@ -732,6 +732,18 @@ impl_runtime_apis! {
 		}
 	}
 
+	#[cfg(feature = "try-runtime")]
+	impl frame_try_runtime::TryRuntime<Block> for Runtime {
+		fn on_runtime_upgrade() -> (Weight, Weight) {
+			log::info!("try-runtime::on_runtime_upgrade parachain-template.");
+			let weight = Executive::try_runtime_upgrade().unwrap();
+			(weight, RuntimeBlockWeights::get().max_block)
+		}
+
+		fn execute_block_no_check(block: Block) -> Weight {
+			Executive::execute_block_no_check(block)
+		}
+	}
 
 	#[cfg(feature = "runtime-benchmarks")]
 	impl frame_benchmarking::Benchmark<Block> for Runtime {
@@ -788,7 +800,6 @@ impl_runtime_apis! {
 			add_benchmark!(params, batches, pallet_session, SessionBench::<Runtime>);
 			add_benchmark!(params, batches, pallet_timestamp, Timestamp);
 			add_benchmark!(params, batches, pallet_collator_selection, CollatorSelection);
-			add_benchmark!(params, batches, pallet_session, Session);
 
 			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
 			Ok(batches)
diff --git a/polkadot-parachains/Cargo.toml b/polkadot-parachains/Cargo.toml
index e26fbacd3f6..4a317b3a5f6 100644
--- a/polkadot-parachains/Cargo.toml
+++ b/polkadot-parachains/Cargo.toml
@@ -57,6 +57,9 @@ sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "master" }
 substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
+# try-runtime stuff.
+try-runtime-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
+
 # RPC related dependencies
 jsonrpc-core = "18.0.0"
 sc-transaction-pool-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
@@ -95,3 +98,9 @@ runtime-benchmarks = [
 	"statemine-runtime/runtime-benchmarks",
 	"westmint-runtime/runtime-benchmarks",
 ]
+try-runtime = [
+	'statemint-runtime/try-runtime',
+	'statemine-runtime/try-runtime',
+	'westmint-runtime/try-runtime',
+	'shell-runtime/try-runtime',
+]
diff --git a/polkadot-parachains/shell/Cargo.toml b/polkadot-parachains/shell/Cargo.toml
index 955e47004da..80071086ab9 100644
--- a/polkadot-parachains/shell/Cargo.toml
+++ b/polkadot-parachains/shell/Cargo.toml
@@ -28,6 +28,9 @@ frame-support = { git = "https://github.com/paritytech/substrate", default-featu
 frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 
+# try-runtime stuff.
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
+
 # Cumulus dependencies
 cumulus-pallet-parachain-system = { path = "../../pallets/parachain-system", default-features = false }
 cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
@@ -72,3 +75,7 @@ std = [
 	"xcm-builder/std",
 	"xcm-executor/std",
 ]
+try-runtime = [
+	"frame-try-runtime",
+	"frame-executive/try-runtime",
+]
diff --git a/polkadot-parachains/src/cli.rs b/polkadot-parachains/src/cli.rs
index e0a98be20f2..900335fb94f 100644
--- a/polkadot-parachains/src/cli.rs
+++ b/polkadot-parachains/src/cli.rs
@@ -55,6 +55,9 @@ pub enum Subcommand {
 	#[structopt(name = "benchmark", about = "Benchmark runtime pallets.")]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
 
+	/// Try some testing command against a specified runtime state.
+	TryRuntime(try_runtime_cli::TryRuntimeCmd),
+
 	/// Key management CLI utilities
 	Key(sc_cli::KeySubcommand),
 }
diff --git a/polkadot-parachains/src/command.rs b/polkadot-parachains/src/command.rs
index e9b2952bf97..5a9e4eacae1 100644
--- a/polkadot-parachains/src/command.rs
+++ b/polkadot-parachains/src/command.rs
@@ -31,7 +31,10 @@ use sc_cli::{
 	ChainSpec, CliConfiguration, DefaultConfigurationValues, ImportParams, KeystoreParams,
 	NetworkParams, Result, RuntimeVersion, SharedParams, SubstrateCli,
 };
-use sc_service::config::{BasePath, PrometheusConfig};
+use sc_service::{
+	config::{BasePath, PrometheusConfig},
+	TaskManager,
+};
 use sp_core::hexdisplay::HexDisplay;
 use sp_runtime::traits::Block as BlockT;
 use std::{io::Write, net::SocketAddr};
@@ -391,6 +394,37 @@ pub fn run() -> Result<()> {
 				You can enable it with `--features runtime-benchmarks`."
 					.into())
 			},
+		Some(Subcommand::TryRuntime(cmd)) =>
+			if cfg!(feature = "try-runtime") {
+				// grab the task manager.
+				let runner = cli.create_runner(cmd)?;
+				let registry = &runner.config().prometheus_config.as_ref().map(|cfg| &cfg.registry);
+				let task_manager =
+					TaskManager::new(runner.config().tokio_handle.clone(), *registry)
+						.map_err(|e| format!("Error: {:?}", e))?;
+
+				if runner.config().chain_spec.is_statemine() {
+					runner.async_run(|config| {
+						Ok((cmd.run::<Block, StatemineRuntimeExecutor>(config), task_manager))
+					})
+				} else if runner.config().chain_spec.is_westmint() {
+					runner.async_run(|config| {
+						Ok((cmd.run::<Block, WestmintRuntimeExecutor>(config), task_manager))
+					})
+				} else if runner.config().chain_spec.is_statemint() {
+					runner.async_run(|config| {
+						Ok((cmd.run::<Block, StatemintRuntimeExecutor>(config), task_manager))
+					})
+				} else if runner.config().chain_spec.is_shell() {
+					runner.async_run(|config| {
+						Ok((cmd.run::<Block, ShellRuntimeExecutor>(config), task_manager))
+					})
+				} else {
+					Err("Chain doesn't support try-runtime".into())
+				}
+			} else {
+				Err("Try-runtime must be enabled by `--features try-runtime`.".into())
+			},
 		Some(Subcommand::Key(cmd)) => Ok(cmd.run(&cli)?),
 		None => {
 			let runner = cli.create_runner(&cli.run.normalize())?;
diff --git a/polkadot-parachains/statemine/Cargo.toml b/polkadot-parachains/statemine/Cargo.toml
index b6d816bb274..1983f618610 100644
--- a/polkadot-parachains/statemine/Cargo.toml
+++ b/polkadot-parachains/statemine/Cargo.toml
@@ -73,6 +73,9 @@ xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features
 xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
 pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
 
+# Try-runtime stuff
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
+
 [dev-dependencies]
 hex-literal = "0.3.1"
 
@@ -100,6 +103,10 @@ runtime-benchmarks = [
 	"pallet-xcm/runtime-benchmarks",
 	"pallet-collator-selection/runtime-benchmarks",
 ]
+try-runtime = [
+	"frame-try-runtime",
+	"frame-executive/try-runtime",
+]
 std = [
 	"codec/std",
 	"scale-info/std",
diff --git a/polkadot-parachains/statemine/src/lib.rs b/polkadot-parachains/statemine/src/lib.rs
index e82e6a853a3..24acd5d1af3 100644
--- a/polkadot-parachains/statemine/src/lib.rs
+++ b/polkadot-parachains/statemine/src/lib.rs
@@ -889,6 +889,19 @@ impl_runtime_apis! {
 		}
 	}
 
+	#[cfg(feature = "try-runtime")]
+	impl frame_try_runtime::TryRuntime<Block> for Runtime {
+		fn on_runtime_upgrade() -> (Weight, Weight) {
+			log::info!("try-runtime::on_runtime_upgrade statemine.");
+			let weight = Executive::try_runtime_upgrade().unwrap();
+			(weight, RuntimeBlockWeights::get().max_block)
+		}
+
+		fn execute_block_no_check(block: Block) -> Weight {
+			Executive::execute_block_no_check(block)
+		}
+	}
+
 	#[cfg(feature = "runtime-benchmarks")]
 	impl frame_benchmarking::Benchmark<Block> for Runtime {
 		fn benchmark_metadata(extra: bool) -> (
diff --git a/polkadot-parachains/statemint/Cargo.toml b/polkadot-parachains/statemint/Cargo.toml
index 6076eb86833..eddf78a20b5 100644
--- a/polkadot-parachains/statemint/Cargo.toml
+++ b/polkadot-parachains/statemint/Cargo.toml
@@ -73,6 +73,9 @@ xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features
 xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
 pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
 
+# Try-runtime stuff
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
+
 [dev-dependencies]
 hex-literal = "0.3.1"
 
@@ -100,6 +103,10 @@ runtime-benchmarks = [
 	"pallet-xcm/runtime-benchmarks",
 	"pallet-collator-selection/runtime-benchmarks",
 ]
+try-runtime = [
+	"frame-try-runtime",
+	"frame-executive/try-runtime",
+]
 std = [
 	"codec/std",
 	"scale-info/std",
diff --git a/polkadot-parachains/statemint/src/lib.rs b/polkadot-parachains/statemint/src/lib.rs
index 58483a0e6d1..cb716dc3ced 100644
--- a/polkadot-parachains/statemint/src/lib.rs
+++ b/polkadot-parachains/statemint/src/lib.rs
@@ -890,6 +890,19 @@ impl_runtime_apis! {
 		}
 	}
 
+	#[cfg(feature = "try-runtime")]
+	impl frame_try_runtime::TryRuntime<Block> for Runtime {
+		fn on_runtime_upgrade() -> (Weight, Weight) {
+			log::info!("try-runtime::on_runtime_upgrade statemint.");
+			let weight = Executive::try_runtime_upgrade().unwrap();
+			(weight, RuntimeBlockWeights::get().max_block)
+		}
+
+		fn execute_block_no_check(block: Block) -> Weight {
+			Executive::execute_block_no_check(block)
+		}
+	}
+
 	#[cfg(feature = "runtime-benchmarks")]
 	impl frame_benchmarking::Benchmark<Block> for Runtime {
 		fn benchmark_metadata(extra: bool) -> (
diff --git a/polkadot-parachains/westmint/Cargo.toml b/polkadot-parachains/westmint/Cargo.toml
index 82c334130a6..3c405d7a841 100644
--- a/polkadot-parachains/westmint/Cargo.toml
+++ b/polkadot-parachains/westmint/Cargo.toml
@@ -34,7 +34,7 @@ frame-support = { git = "https://github.com/paritytech/substrate", default-featu
 frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-asset-tx-payment = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+pallet-asset-tx-payment = { git = 'https://github.com/paritytech/substrate', default-features = false, branch = "master" }
 pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
@@ -73,6 +73,9 @@ xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features
 xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
 pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
 
+# Try-runtime stuff
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
+
 [dev-dependencies]
 hex-literal = "0.3.1"
 
@@ -100,6 +103,10 @@ runtime-benchmarks = [
 	"pallet-xcm/runtime-benchmarks",
 	"pallet-collator-selection/runtime-benchmarks",
 ]
+try-runtime = [
+	"frame-try-runtime",
+	"frame-executive/try-runtime",
+]
 std = [
 	"codec/std",
 	"scale-info/std",
diff --git a/polkadot-parachains/westmint/src/lib.rs b/polkadot-parachains/westmint/src/lib.rs
index 2c2e1c5b78c..27766c69a50 100644
--- a/polkadot-parachains/westmint/src/lib.rs
+++ b/polkadot-parachains/westmint/src/lib.rs
@@ -887,6 +887,19 @@ impl_runtime_apis! {
 		}
 	}
 
+	#[cfg(feature = "try-runtime")]
+	impl frame_try_runtime::TryRuntime<Block> for Runtime {
+		fn on_runtime_upgrade() -> (Weight, Weight) {
+			log::info!("try-runtime::on_runtime_upgrade westmint.");
+			let weight = Executive::try_runtime_upgrade().unwrap();
+			(weight, RuntimeBlockWeights::get().max_block)
+		}
+
+		fn execute_block_no_check(block: Block) -> Weight {
+			Executive::execute_block_no_check(block)
+		}
+	}
+
 	#[cfg(feature = "runtime-benchmarks")]
 	impl frame_benchmarking::Benchmark<Block> for Runtime {
 		fn benchmark_metadata(extra: bool) -> (