diff --git a/Cargo.toml b/Cargo.toml
index bdd14a06..47d4509b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -67,7 +67,7 @@ snark-verifier-sdk = { git = "https://github.com/axiom-crypto/snark-verifier.git
 ] }
 
 # ethereum types
-ethereum-consensus-types = { git = "https://github.com/ChainSafe/ethereum-consensus-types", branch = "capella" }
+ethereum-consensus-types = { git = "https://github.com/ChainSafe/ethereum-consensus-types", branch = "deneb" }
 beacon-api-client = { git = "https://github.com/ralexstokes/ethereum-consensus.git", rev = "f3bff52e9c43866f231ec40c8ab0e34125a8957f" }
 ssz_rs = "0.9"
 
diff --git a/contracts b/contracts
index a430caeb..4e972c54 160000
--- a/contracts
+++ b/contracts
@@ -1 +1 @@
-Subproject commit a430caeb3678582b73e3ee73b6f001bd9d1e75ca
+Subproject commit 4e972c5410cf4235c0b48295f54a02418d86cc67
diff --git a/justfile b/justfile
index 76a6709a..bf076364 100644
--- a/justfile
+++ b/justfile
@@ -25,15 +25,15 @@ setup-committee-update network *k='24':
          -K $2 -P ./build/committee_update_verifier_$1.pkey setup
 
 gen-verifier-step network:
-    cargo run -r -p spectre-prover -- circuit sync-step -p ./build/sync_step_$1.pkey gen-verifier -o ./contracts/snark-verifiers/sync_step.sol
+    cargo run -r -p spectre-prover -- circuit sync-step -p ./build/sync_step_$1.pkey gen-verifier -o ./contracts/$1/snark-verifiers/sync_step.sol
 
 gen-verifier-step-compressed network:
     cargo run -r -p spectre-prover -- circuit sync-step-compressed -p ./build/sync_step_$1.pkey -P ./build/sync_step_verifier_$1.pkey \
-        gen-verifier -o ./contracts/snark-verifiers/sync_step_verifier.sol
+        gen-verifier -o ./contracts/snark-verifiers/$1/sync_step_verifier.sol
 
 gen-verifier-committee-update network:
     cargo run -r -p spectre-prover -- circuit committee-update -p ./build/committee_update_$1.pkey -P ./build/committee_update_verifier_$1.pkey \
-        gen-verifier -o ./contracts/snark-verifiers/committee_update_verifier.sol
+        gen-verifier -o ./contracts/snark-verifiers/$1/committee_update_verifier.sol
 
 build-contracts:
     cd contracts && forge build
diff --git a/lightclient-circuits/config/committee_update_testnet.json b/lightclient-circuits/config/committee_update_testnet.json
index 4bea29b8..bacec3d0 100644
--- a/lightclient-circuits/config/committee_update_testnet.json
+++ b/lightclient-circuits/config/committee_update_testnet.json
@@ -6,7 +6,7 @@
     ],
     "num_fixed": 1,
     "num_lookup_advice_per_phase": [
-      1,
+      0,
       0,
       0
     ],
@@ -18,4 +18,4 @@
       1048566
     ]
   ]
-}
\ No newline at end of file
+}
diff --git a/lightclient-circuits/config/committee_update_verifier_testnet.json b/lightclient-circuits/config/committee_update_verifier_testnet.json
index c38fdce4..61838b78 100644
--- a/lightclient-circuits/config/committee_update_verifier_testnet.json
+++ b/lightclient-circuits/config/committee_update_verifier_testnet.json
@@ -9,4 +9,4 @@
   "break_points": [
     []
   ]
-}
\ No newline at end of file
+}
diff --git a/lightclient-circuits/config/sync_step_testnet.json b/lightclient-circuits/config/sync_step_testnet.json
index 9659e0cd..78125575 100644
--- a/lightclient-circuits/config/sync_step_testnet.json
+++ b/lightclient-circuits/config/sync_step_testnet.json
@@ -18,10 +18,10 @@
       2097142,
       2097140,
       2097140,
-      2097142,
-      2097141,
+      2097140,
+      2097140,
       2097140,
       2097142
     ]
   ]
-}
\ No newline at end of file
+}
diff --git a/lightclient-circuits/config/sync_step_verifier_testnet.json b/lightclient-circuits/config/sync_step_verifier_testnet.json
index f64047ee..1bdff1b1 100644
--- a/lightclient-circuits/config/sync_step_verifier_testnet.json
+++ b/lightclient-circuits/config/sync_step_verifier_testnet.json
@@ -9,4 +9,4 @@
   "break_points": [
     []
   ]
-}
\ No newline at end of file
+}
diff --git a/lightclient-circuits/src/sync_step_circuit.rs b/lightclient-circuits/src/sync_step_circuit.rs
index f85d4ecd..b3f0eeb0 100644
--- a/lightclient-circuits/src/sync_step_circuit.rs
+++ b/lightclient-circuits/src/sync_step_circuit.rs
@@ -294,7 +294,7 @@ impl<S: Spec, F: Field> StepCircuit<S, F> {
         fp_chip: &FpChip<'_, F>,
         pubkey_affines: &[G1Affine],
         pariticipation_bits: &[bool],
-        assigned_affines: &mut Vec<G1Point<F>>,
+        assigned_pubkeys: &mut Vec<G1Point<F>>,
         y_signs_packed: &mut Vec<AssignedValue<F>>,
     ) -> (G1Point<F>, AssignedValue<F>) {
         let gate = fp_chip.gate();
@@ -330,22 +330,17 @@ impl<S: Spec, F: Field> StepCircuit<S, F> {
                 fp_chip.limb_bases[1],
             );
 
-            assigned_affines.push(assigned_affine);
+            assigned_pubkeys.push(assigned_affine);
             participation_bits.push(participation_bit);
             y_signs.push(y_sign);
         }
 
-        let mut acc = {
-            let x = fp_chip.load_constant(ctx, G1Affine::identity().x);
-            let y = fp_chip.load_constant(ctx, G1Affine::identity().y);
-            G1Point::new(x, y) // identity
-        };
-        acc = g1_chip.select(ctx, assigned_affines[0].clone(), acc, participation_bits[0]);
+        let rand_point = g1_chip.load_random_point::<G1Affine>(ctx);
+        let mut acc = rand_point.clone();
         for (bit, point) in participation_bits
             .iter()
             .copied()
-            .zip(assigned_affines.iter_mut())
-            .skip(1)
+            .zip(assigned_pubkeys.iter_mut())
         {
             let is_equal = g1_chip.is_equal(ctx, acc.clone(), point.clone());
             let add = g1_chip.add_unequal(ctx, acc.clone(), point.clone(), true);
@@ -353,6 +348,7 @@ impl<S: Spec, F: Field> StepCircuit<S, F> {
             let sum = g1_chip.select(ctx, doub, add, is_equal);
             acc = g1_chip.select(ctx, sum, acc, bit);
         }
+        let agg_pubkey = g1_chip.sub_unequal(ctx, acc, rand_point, false);
         let participation_sum = gate.sum(ctx, participation_bits);
 
         *y_signs_packed = y_signs
@@ -360,7 +356,7 @@ impl<S: Spec, F: Field> StepCircuit<S, F> {
             .map(|chunk| gate.bits_to_num(ctx, chunk))
             .collect_vec();
 
-        (acc, participation_sum)
+        (agg_pubkey, participation_sum)
     }
 }
 
diff --git a/prover/src/cli.rs b/prover/src/cli.rs
index d6f2b553..eef505b4 100644
--- a/prover/src/cli.rs
+++ b/prover/src/cli.rs
@@ -98,7 +98,7 @@ where
                     &params,
                     &pk,
                     &cfg_path,
-                    None::<String>,
+                    Some("./build/committee_update_dummy.snark"),
                     &Default::default(),
                 )
                 .map_err(|e| eyre::eyre!("Failed to generate proof: {}", e))
@@ -176,7 +176,7 @@ where
                     &params,
                     &pk,
                     &cfg_path,
-                    None::<String>,
+                    Some("./build/step_dummy.snark"),
                     &Default::default(),
                 )
                 .map_err(|e| eyre::eyre!("Failed to generate proof: {}", e))
diff --git a/prover/src/prover.rs b/prover/src/prover.rs
index 03368b2a..aa748ec8 100644
--- a/prover/src/prover.rs
+++ b/prover/src/prover.rs
@@ -74,7 +74,7 @@ impl ProverState {
             params_map.get(step.degree()).unwrap(),
             step.pk(),
             step.config_path(),
-            None::<String>,
+            Some("./build/step_dummy.snark"),
             &Default::default(),
         )
         .unwrap();
@@ -90,7 +90,7 @@ impl ProverState {
             params_map.get(committee_update.degree()).unwrap(),
             committee_update.pk(),
             committee_update.config_path(),
-            None::<String>,
+            Some("./build/committee_update_dummy.snark"),
             &Default::default(),
         )
         .unwrap();