diff --git a/pallets/subtensor/src/migration.rs b/pallets/subtensor/src/migration.rs
index 400030450..35b3c4260 100644
--- a/pallets/subtensor/src/migration.rs
+++ b/pallets/subtensor/src/migration.rs
@@ -565,23 +565,23 @@ pub fn migrate_populate_staking_hotkeys<T: Config>() -> Weight {
             if stake > 0 {
                 let mut hotkeys = StakingHotkeys::<T>::get(&coldkey);
                 storage_reads = storage_reads.saturating_add(1); // Read from StakingHotkeys storage
-    
+
                 // Add the hotkey if it's not already in the vector
                 if !hotkeys.contains(&hotkey) {
                     hotkeys.push(hotkey);
                     keys_touched = keys_touched.saturating_add(1);
-    
+
                     // Update longest hotkey vector info
                     if longest_hotkey_vector < hotkeys.len() {
                         longest_hotkey_vector = hotkeys.len();
                         longest_coldkey = Some(coldkey.clone());
                     }
-    
+
                     // Update the StakingHotkeys storage
                     StakingHotkeys::<T>::insert(&coldkey, hotkeys);
                     storage_writes = storage_writes.saturating_add(1); // Write to StakingHotkeys storage
                 }
-    
+
                 // Accrue weight for reads and writes
                 weight = weight.saturating_add(T::DbWeight::get().reads_writes(2, 1));
             }
@@ -603,4 +603,3 @@ pub fn migrate_populate_staking_hotkeys<T: Config>() -> Weight {
         Weight::zero()
     }
 }
-
diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
index 71b506247..45096d33b 100644
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -139,7 +139,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 159,
+    spec_version: 160,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,
@@ -294,7 +294,7 @@ parameter_types! {
 
     pub const RootEnterDuration: BlockNumber = 5 * 60 * 24; // 24 hours
 
-    pub const RootExtendDuration: BlockNumber = 5 * 60 * 3; // 3 hours
+    pub const RootExtendDuration: BlockNumber = 5 * 60 * 12; // 12 hours
 
     pub const DisallowPermissionlessEntering: Option<Balance> = None;
     pub const DisallowPermissionlessExtending: Option<Balance> = None;