diff --git a/halo2-base/src/gates/flex_gate/mod.rs b/halo2-base/src/gates/flex_gate/mod.rs
index 03f952b6..4ed3b4c3 100644
--- a/halo2-base/src/gates/flex_gate/mod.rs
+++ b/halo2-base/src/gates/flex_gate/mod.rs
@@ -137,7 +137,7 @@ impl<F: ScalarField> FlexGateConfig<F> {
         Self {
             basic_gates,
             constants,
-            /// Warning: this needs to be updated if you create more advice columns after this `FlexGateConfig` is created
+            // Warning: this needs to be updated if you create more advice columns after this `FlexGateConfig` is created
             max_rows: (1 << params.k) - meta.minimum_rows(),
         }
     }
diff --git a/halo2-base/src/poseidon/hasher/tests/mod.rs b/halo2-base/src/poseidon/hasher/tests/mod.rs
index a734f7d0..76087be2 100644
--- a/halo2-base/src/poseidon/hasher/tests/mod.rs
+++ b/halo2-base/src/poseidon/hasher/tests/mod.rs
@@ -11,18 +11,18 @@ mod state;
 fn test_mds() {
     let spec = OptimizedPoseidonSpec::<Fr, 3, 2>::new::<8, 57, 0>();
 
-    let mds = vec![
-        vec![
+    let mds = [
+        [
             "7511745149465107256748700652201246547602992235352608707588321460060273774987",
             "10370080108974718697676803824769673834027675643658433702224577712625900127200",
             "19705173408229649878903981084052839426532978878058043055305024233888854471533",
         ],
-        vec![
+        [
             "18732019378264290557468133440468564866454307626475683536618613112504878618481",
             "20870176810702568768751421378473869562658540583882454726129544628203806653987",
             "7266061498423634438633389053804536045105766754026813321943009179476902321146",
         ],
-        vec![
+        [
             "9131299761947733513298312097611845208338517739621853568979632113419485819303",
             "10595341252162738537912664445405114076324478519622938027420701542910180337937",
             "11597556804922396090267472882856054602429588299176362916247939723151043581408",
diff --git a/halo2-ecc/src/secp256k1/tests/ecdsa_tests.rs b/halo2-ecc/src/secp256k1/tests/ecdsa_tests.rs
index d3d47da7..c4002722 100644
--- a/halo2-ecc/src/secp256k1/tests/ecdsa_tests.rs
+++ b/halo2-ecc/src/secp256k1/tests/ecdsa_tests.rs
@@ -28,14 +28,18 @@ fn custom_parameters_ecdsa(sk: u64, msg_hash: u64, k: u64) -> ECDSAInput {
 }
 
 #[test]
-#[should_panic(expected = "assertion failed: `(left == right)`")]
+#[should_panic(
+    expected = "assertion `left == right` failed\n  left: 0x0000000000000000000000000000000000000000000000000000000000000000\n right: 0x0000000000000000000000000000000000000000000000000000000000000001"
+)]
 fn test_ecdsa_msg_hash_zero() {
     let input = custom_parameters_ecdsa(random::<u64>(), 0, random::<u64>());
     run_test(input);
 }
 
 #[test]
-#[should_panic(expected = "assertion failed: `(left == right)`")]
+#[should_panic(
+    expected = "assertion `left == right` failed\n  left: 0x0000000000000000000000000000000000000000000000000000000000000000\n right: 0x0000000000000000000000000000000000000000000000000000000000000001"
+)]
 fn test_ecdsa_private_key_zero() {
     let input = custom_parameters_ecdsa(0, random::<u64>(), random::<u64>());
     run_test(input);
diff --git a/hashes/zkevm/Cargo.toml b/hashes/zkevm/Cargo.toml
index c4d5425e..22945267 100644
--- a/hashes/zkevm/Cargo.toml
+++ b/hashes/zkevm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "zkevm-hashes"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["Privacy Scaling Explorations Team", "Taiko Labs", "Intrinsic Technologies"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
@@ -23,7 +23,7 @@ rayon = "1.8"
 sha3 = "0.10.8"
 # always included but without features to use Native poseidon and get CircuitExt trait
 # snark-verifier-sdk = { version = "=0.1.7", default-features = false }
-snark-verifier-sdk = { version = "=0.1.7", git = "https://github.com/axiom-crypto/snark-verifier.git", tag = "v0.1.7-git", default-features = false }
+snark-verifier-sdk = { git = "https://github.com/axiom-crypto/snark-verifier.git", branch = "community-edition", default-features = false }
 getset = "0.1.2"
 type-map = "0.5.0"
 
diff --git a/hashes/zkevm/src/keccak/component/circuit/tests/shard.rs b/hashes/zkevm/src/keccak/component/circuit/tests/shard.rs
index 17726327..c41f4d70 100644
--- a/hashes/zkevm/src/keccak/component/circuit/tests/shard.rs
+++ b/hashes/zkevm/src/keccak/component/circuit/tests/shard.rs
@@ -175,7 +175,7 @@ fn test_prove_shard_circuit_commit() {
     circuit.set_base_circuit_break_points(break_points);
 
     let circuit_outputs = multi_inputs_to_circuit_outputs::<Fr>(&inputs, circuit_params.capacity());
-    let instances = vec![vec![calculate_circuit_outputs_commit(&circuit_outputs)]];
+    let instances = [[calculate_circuit_outputs_commit(&circuit_outputs)]];
 
     let proof = gen_proof_with_instances(
         &params,
diff --git a/rust-toolchain b/rust-toolchain
index ee2d639b..36e57ce7 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2023-08-12
\ No newline at end of file
+nightly-2024-02-08