diff --git a/pallets/slow-clap/Cargo.toml b/pallets/slow-clap/Cargo.toml
index a499bcb..f8dea97 100644
--- a/pallets/slow-clap/Cargo.toml
+++ b/pallets/slow-clap/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ghost-slow-clap"
-version = "0.3.43"
+version = "0.3.44"
 description = "Applause protocol for the EVM bridge"
 license.workspace = true
 authors.workspace = true
diff --git a/pallets/slow-clap/src/lib.rs b/pallets/slow-clap/src/lib.rs
index 3e932ca..a8c77b5 100644
--- a/pallets/slow-clap/src/lib.rs
+++ b/pallets/slow-clap/src/lib.rs
@@ -294,6 +294,16 @@ pub mod pallet {
         ValueQuery,
     >;
 
+    #[pallet::storage]
+    #[pallet::getter(fn validators)]
+    pub(super) type Validators<T: Config> = StorageMap<
+        _,
+        Twox64Concat,
+        SessionIndex,
+        WeakBoundedVec<ValidatorId<T>, T::MaxAuthorities>,
+        OptionQuery,
+    >;
+
     #[pallet::genesis_config]
     #[derive(frame_support::DefaultNoBound)]
     pub struct GenesisConfig<T: Config> {
@@ -1075,16 +1085,23 @@ impl<T: Config> Pallet<T> {
         let bounded_authorities = WeakBoundedVec::<_, T::MaxAuthorities>::try_from(authorities)
             .expect("more than the maximum number of authorities");
 
+        let validators = T::ValidatorSet::validators();
+        let bounded_validators = WeakBoundedVec::<_, T::MaxAuthorities>::try_from(validators)
+            .expect("more than the maximum number of validators");
+
         if let Some(target_session_index) = session_index.checked_sub(T::HistoryDepth::get()) {
             Self::clear_history(&target_session_index);
         }
 
+        Validators::<T>::insert(&session_index, bounded_validators);
         Authorities::<T>::set(&session_index, bounded_authorities);
         ClapsInSession::<T>::set(&session_index, Default::default());
     }
 
     fn clear_history(target_session_index: &SessionIndex) {
         ClapsInSession::<T>::remove(target_session_index);
+        Authorities::<T>::remove(target_session_index);
+        Validators::<T>::remove(target_session_index);
         let mut cursor = ReceivedClaps::<T>::clear_prefix((target_session_index,), u32::MAX, None);
         debug_assert!(cursor.maybe_cursor.is_none());
         cursor =
@@ -1136,8 +1153,8 @@ impl<T: Config> OneSessionHandler<T::AccountId> for Pallet<T> {
     }
 
     fn on_before_session_ending() {
-        let validators = T::ValidatorSet::validators();
         let session_index = T::ValidatorSet::session_index().saturating_sub(1);
+        let validators = Validators::<T>::get(&session_index).unwrap_or_default();
         let authorities_len = Authorities::<T>::get(&session_index).len();
         let claps_in_session = ClapsInSession::<T>::get(&session_index);