diff --git a/polkadot/runtime/common/src/lib.rs b/polkadot/runtime/common/src/lib.rs
index 7673457828c8cddbbda6160fd64a9b2ccd50e512..06f76fbfbff1a0dd1ee63d2acba93a371bd0df9f 100644
--- a/polkadot/runtime/common/src/lib.rs
+++ b/polkadot/runtime/common/src/lib.rs
@@ -75,7 +75,7 @@ const_assert!(NORMAL_DISPATCH_RATIO.deconstruct() >= AVERAGE_ON_INITIALIZE_RATIO
 
 // Common constants used in all runtimes.
 parameter_types! {
-	pub const BlockHashCount: BlockNumber = 2400;
+	pub const BlockHashCount: BlockNumber = 4096;
 	/// The portion of the `NORMAL_DISPATCH_RATIO` that we adjust the fees with. Blocks filled less
 	/// than this will decrease the weight and more will increase.
 	pub const TargetBlockFullness: Perquintill = Perquintill::from_percent(25);