diff --git a/polkadot/runtime/kusama/src/lib.rs b/polkadot/runtime/kusama/src/lib.rs
index bbf0aae531..e496f31666 100644
--- a/polkadot/runtime/kusama/src/lib.rs
+++ b/polkadot/runtime/kusama/src/lib.rs
@@ -361,8 +361,8 @@ parameter_types! {
 	pub SignedRewardBase: Balance =  UNITS / 10;
 	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational(5u32, 10_000);
 
-	// miner configs
-	pub OffchainRepeat: BlockNumber = 5;
+	// 1 hour session, 15 minutes unsigned phase, 8 offchain executions.
+	pub OffchainRepeat: BlockNumber = UnsignedPhase::get() / 8;
 
 	/// Whilst `UseNominatorsAndUpdateBagsList` or `UseNominatorsMap` is in use, this can still be a
 	/// very large value. Once the `BagsList` is in full motion, staking might open its door to many
diff --git a/polkadot/runtime/polkadot/src/lib.rs b/polkadot/runtime/polkadot/src/lib.rs
index e57f4564e7..6f79064513 100644
--- a/polkadot/runtime/polkadot/src/lib.rs
+++ b/polkadot/runtime/polkadot/src/lib.rs
@@ -385,8 +385,8 @@ parameter_types! {
 	pub SignedRewardBase: Balance = 1 * UNITS;
 	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational(5u32, 10_000);
 
-	// miner configs
-	pub OffchainRepeat: BlockNumber = 5;
+	// 4 hour session, 1 hour unsigned phase, 32 offchain executions.
+	pub OffchainRepeat: BlockNumber = UnsignedPhase::get() / 32;
 
 	/// Whilst `UseNominatorsAndUpdateBagsList` or `UseNominatorsMap` is in use, this can still be a
 	/// very large value. Once the `BagsList` is in full motion, staking might open its door to many
diff --git a/polkadot/runtime/westend/src/lib.rs b/polkadot/runtime/westend/src/lib.rs
index 17138875a7..c6187cf82c 100644
--- a/polkadot/runtime/westend/src/lib.rs
+++ b/polkadot/runtime/westend/src/lib.rs
@@ -347,8 +347,8 @@ parameter_types! {
 	pub SignedRewardBase: Balance = 1 * UNITS;
 	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational(5u32, 10_000);
 
-	// miner configs
-	pub OffchainRepeat: BlockNumber = 5;
+	// 1 hour session, 15 minutes unsigned phase, 4 offchain executions.
+	pub OffchainRepeat: BlockNumber = UnsignedPhase::get() / 4;
 
 	/// Whilst `UseNominatorsAndUpdateBagsList` or `UseNominatorsMap` is in use, this can still be a
 	/// very large value. Once the `BagsList` is in full motion, staking might open its door to many