diff --git a/mithril-stm/benches/multi_sig.rs b/mithril-stm/benches/multi_sig.rs
index 4fc4f64654b..7200eaf94fe 100644
--- a/mithril-stm/benches/multi_sig.rs
+++ b/mithril-stm/benches/multi_sig.rs
@@ -12,7 +12,7 @@ fn batch_benches(c: &mut Criterion, array_batches: &[usize], nr_sigs: usize) {
     let mut batch_sig = Vec::new();
 
     for &nr_batches in array_batches {
-        let batch_string = format!("Batch size: {}", nr_batches);
+        let batch_string = format!("Batch size: {nr_batches}");
 
         for _ in 0..nr_batches {
             let mut msg = [0u8; 32];
diff --git a/mithril-stm/benches/size_benches.rs b/mithril-stm/benches/size_benches.rs
index fb589d720cd..1754e12c396 100644
--- a/mithril-stm/benches/size_benches.rs
+++ b/mithril-stm/benches/size_benches.rs
@@ -15,7 +15,7 @@ where
     H: Digest + Clone + Sync + Send + Default + FixedOutput,
 {
     println!("+-------------------+");
-    println!("| Hash: {} |", hash_name);
+    println!("| Hash: {hash_name} |");
     println!("+-------------------+");
     let mut rng = ChaCha20Rng::from_seed([0u8; 32]);
     let mut msg = [0u8; 16];
diff --git a/mithril-stm/benches/stm.rs b/mithril-stm/benches/stm.rs
index 5586fba1737..b387934626a 100644
--- a/mithril-stm/benches/stm.rs
+++ b/mithril-stm/benches/stm.rs
@@ -17,7 +17,7 @@ fn stm_benches<H>(c: &mut Criterion, nr_parties: usize, params: StmParameters, h
 where
     H: Clone + Debug + Digest + Send + Sync + FixedOutput + Default,
 {
-    let mut group = c.benchmark_group(format!("STM/{}", hashing_alg));
+    let mut group = c.benchmark_group(format!("STM/{hashing_alg}"));
     let mut rng = ChaCha20Rng::from_seed([0u8; 32]);
     let mut msg = [0u8; 16];
     rng.fill_bytes(&mut msg);
@@ -82,7 +82,7 @@ fn batch_benches<H>(
 ) where
     H: Clone + Debug + Digest + FixedOutput + Send + Sync,
 {
-    let mut group = c.benchmark_group(format!("STM/{}", hashing_alg));
+    let mut group = c.benchmark_group(format!("STM/{hashing_alg}"));
     let mut rng = ChaCha20Rng::from_seed([0u8; 32]);
 
     let param_string = format!(
@@ -91,7 +91,7 @@ fn batch_benches<H>(
     );
 
     for &nr_batches in array_batches {
-        let batch_string = format!("{}/batch size: {}", param_string, nr_batches);
+        let batch_string = format!("{param_string}/batch size: {nr_batches}");
 
         let mut batch_msgs = Vec::with_capacity(nr_batches);
         let mut batch_params = Vec::with_capacity(nr_batches);
diff --git a/mithril-stm/examples/key_registration.rs b/mithril-stm/examples/key_registration.rs
index 904c0ef6d67..fceaa56d7b4 100644
--- a/mithril-stm/examples/key_registration.rs
+++ b/mithril-stm/examples/key_registration.rs
@@ -115,7 +115,7 @@ fn main() {
     let msig_1 = match clerk.aggregate(&complete_sigs_1, &msg) {
         Ok(s) => s,
         Err(e) => {
-            panic!("Aggregation failed: {:?}", e)
+            panic!("Aggregation failed: {e:?}")
         }
     };
     assert!(msig_1.verify(&msg, &clerk.compute_avk(), &params).is_ok());
@@ -123,7 +123,7 @@ fn main() {
     let msig_2 = match clerk.aggregate(&complete_sigs_2, &msg) {
         Ok(s) => s,
         Err(e) => {
-            panic!("Aggregation failed: {:?}", e)
+            panic!("Aggregation failed: {e:?}")
         }
     };
     assert!(msig_2.verify(&msg, &clerk.compute_avk(), &params).is_ok());
diff --git a/mithril-stm/src/stm.rs b/mithril-stm/src/stm.rs
index c141a3ac781..bcf218e71e4 100644
--- a/mithril-stm/src/stm.rs
+++ b/mithril-stm/src/stm.rs
@@ -1015,10 +1015,10 @@ mod tests {
             }
 
             let dedup_result = clerk.dedup_sigs_for_indices(&msg, &sigs);
-            assert!(dedup_result.is_ok(), "dedup failure {:?}", dedup_result);
+            assert!(dedup_result.is_ok(), "dedup failure {dedup_result:?}");
             for passed_sigs in dedup_result.unwrap() {
                 let verify_result = passed_sigs.verify(&params, &ps[0].vk, &ps[0].stake, &avk, &msg);
-                assert!(verify_result.is_ok(), "verify {:?}", verify_result);
+                assert!(verify_result.is_ok(), "verify {verify_result:?}");
             }
         }
     }
@@ -1044,7 +1044,7 @@ mod tests {
             match msig {
                 Ok(aggr) => {
                     let verify_result = aggr.verify(&msg, &clerk.compute_avk(), &params);
-                    assert!(verify_result.is_ok(), "Verification failed: {:?}", verify_result);
+                    assert!(verify_result.is_ok(), "Verification failed: {verify_result:?}");
                 }
                 Err(AggregationError::NotEnoughSignatures(n, k)) =>
                     assert!(n < params.k || k == params.k),