diff --git a/pallets/provide-randomness/src/lib.rs b/pallets/provide-randomness/src/lib.rs
index 4985d5b42829907220e29724ce7bbfae04e5716a..bf851ebf11cf46062ccdc787ed066a323657d5ef 100644
--- a/pallets/provide-randomness/src/lib.rs
+++ b/pallets/provide-randomness/src/lib.rs
@@ -21,6 +21,7 @@
 mod benchmarking;
 
 mod types;
+pub mod weights;
 
 use frame_support::pallet_prelude::Weight;
 use sp_core::H256;
@@ -28,6 +29,7 @@ use sp_std::prelude::*;
 
 pub use pallet::*;
 pub use types::*;
+pub use weights::WeightInfo;
 
 pub type RequestId = u64;
 
@@ -88,6 +90,8 @@ pub mod pallet {
         type RandomnessFromOneEpochAgo: Randomness<H256, Self::BlockNumber>;
         /// The overarching event type.
         type RuntimeEvent: From<Event> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
+        /// Type representing the weight of this pallet
+        type WeightInfo: WeightInfo;
     }
 
     // STORAGE //
@@ -143,7 +147,7 @@ pub mod pallet {
     #[pallet::call]
     impl<T: Config> Pallet<T> {
         /// Request a randomness
-        #[pallet::weight(500_000_000)]
+        #[pallet::weight(T::WeightInfo::request())]
         pub fn request(
             origin: OriginFor<T>,
             randomness_type: RandomnessType,
@@ -168,7 +172,7 @@ pub mod pallet {
     #[pallet::hooks]
     impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {
         fn on_initialize(_: T::BlockNumber) -> Weight {
-            let request_weight = Weight::from_ref_time(100_000);
+            let request_weight = T::WeightInfo::on_initialize(T::MaxRequests::get());
 
             let mut total_weight = Weight::zero();
 
diff --git a/pallets/provide-randomness/src/weights.rs b/pallets/provide-randomness/src/weights.rs
new file mode 100644
index 0000000000000000000000000000000000000000..7c2e0831860606114665a06e559b5da19f889800
--- /dev/null
+++ b/pallets/provide-randomness/src/weights.rs
@@ -0,0 +1,58 @@
+// Copyright 2021-2023 Axiom-Team
+//
+// This file is part of Duniter-v2S.
+//
+// Duniter-v2S is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, version 3 of the License.
+//
+// Duniter-v2S is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with Duniter-v2S. If not, see <https://www.gnu.org/licenses/>.
+
+#![allow(clippy::unnecessary_cast)]
+
+use frame_support::weights::{constants::RocksDbWeight, Weight};
+
+/// Weight functions needed for pallet_universal_dividend.
+pub trait WeightInfo {
+    fn on_initialize(i: u32) -> Weight;
+    fn request() -> Weight;
+}
+
+// Insecure weights implementation, use it for tests only!
+impl WeightInfo for () {
+    // Storage: ProvideRandomness CounterForRequestsIds (r:1 w:1)
+    // Storage: ProvideRandomness RequestIdProvider (r:1 w:1)
+    // Storage: ProvideRandomness RequestsIds (r:1 w:1)
+    // Storage: Babe EpochIndex (r:1 w:0)
+    // Storage: ProvideRandomness NexEpochHookIn (r:1 w:0)
+    // Storage: ProvideRandomness RequestsReadyAtEpoch (r:1 w:1)
+    fn request() -> Weight {
+        // Minimum execution time: 321_822 nanoseconds.
+        Weight::from_ref_time(338_919_000 as u64)
+            .saturating_add(RocksDbWeight::get().reads(6 as u64))
+            .saturating_add(RocksDbWeight::get().writes(4 as u64))
+    }
+    // Storage: ProvideRandomness RequestsReadyAtNextBlock (r:1 w:1)
+    // Storage: Babe AuthorVrfRandomness (r:1 w:0)
+    // Storage: ProvideRandomness RequestsIds (r:1 w:1)
+    // Storage: ProvideRandomness CounterForRequestsIds (r:1 w:1)
+    // Storage: Account PendingRandomIdAssignments (r:1 w:0)
+    // Storage: ProvideRandomness NexEpochHookIn (r:1 w:1)
+    /// The range of component `i` is `[1, 100]`.
+    fn on_initialize(i: u32) -> Weight {
+        // Minimum execution time: 175_645 nanoseconds.
+        Weight::from_ref_time(461_442_906 as u64)
+            // Standard Error: 1_523_561
+            .saturating_add(Weight::from_ref_time(43_315_015 as u64).saturating_mul(i as u64))
+            .saturating_add(RocksDbWeight::get().reads(4 as u64))
+            .saturating_add(RocksDbWeight::get().reads((2 as u64).saturating_mul(i as u64)))
+            .saturating_add(RocksDbWeight::get().writes(3 as u64))
+            .saturating_add(RocksDbWeight::get().writes((1 as u64).saturating_mul(i as u64)))
+    }
+}