diff --git a/circuits/cpp/barretenberg/.gitrepo b/circuits/cpp/barretenberg/.gitrepo
index be5a43a440da..314976ae54f8 100644
--- a/circuits/cpp/barretenberg/.gitrepo
+++ b/circuits/cpp/barretenberg/.gitrepo
@@ -6,7 +6,7 @@
 [subrepo]
 	remote = https://github.com/AztecProtocol/barretenberg
 	branch = master
-	commit = 65a38bc045c66c5f64e87ba8c6e446945f2f0a24
-	parent = a931e077f2efac2aaa50c5336ead87a0e87a813e
+	commit = 5c91de7296e054f6d5ac3dca94ca85e06d496048
+	parent = 899b05557365a5bf97e64793dd563a1b4bfa0f3f
 	method = merge
 	cmdver = 0.4.6
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/bb/get_crs.hpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/bb/get_crs.hpp
index b85749209d38..cfc8fc59c5b7 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/bb/get_crs.hpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/bb/get_crs.hpp
@@ -20,10 +20,10 @@ inline std::vector<uint8_t> download_g1_data(size_t num_points)
 
 inline std::vector<uint8_t> download_g2_data()
 {
-    size_t g2_start = 28 + 5040000 * 64;
+    size_t g2_start = 28 + 5040001 * 64;
     size_t g2_end = g2_start + 128 - 1;
     std::string command = "curl -s -H \"Range: bytes=" + std::to_string(g2_start) + "-" + std::to_string(g2_end) +
-                          "\" 'https://aztec-ignition.s3.amazonaws.com/MAIN%20IGNITION/sealed/transcript00.dat'";
+                          "\" 'https://aztec-ignition.s3.amazonaws.com/MAIN%20IGNITION/monomial/transcript00.dat'";
 
     return exec_pipe(command);
 }
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/bb/main.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/bb/main.cpp
index 9b3764a1b92d..506341e1849e 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/bb/main.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/bb/main.cpp
@@ -11,8 +11,11 @@
 #include <vector>
 
 using namespace barretenberg;
-
-uint32_t MAX_CIRCUIT_SIZE = 1 << 19;
+// The maximum size that we can do in the browser is 2^19
+// based on memory constraints for UltraPlonk.
+// However, since this will be ran natively, we can increase the
+// size.
+uint32_t MAX_CIRCUIT_SIZE = 1 << 23;
 std::string CRS_PATH = "./crs";
 bool verbose = false;
 
diff --git a/circuits/cpp/barretenberg/ts/src/crs/net_crs.ts b/circuits/cpp/barretenberg/ts/src/crs/net_crs.ts
index 8a46fb48cb93..203968499248 100644
--- a/circuits/cpp/barretenberg/ts/src/crs/net_crs.ts
+++ b/circuits/cpp/barretenberg/ts/src/crs/net_crs.ts
@@ -38,10 +38,10 @@ export class NetCrs {
    * Download the G2 points data.
    */
   async downloadG2Data() {
-    const g2Start = 28 + 5040000 * 64;
+    const g2Start = 28 + 5040001 * 64;
     const g2End = g2Start + 128 - 1;
 
-    const response2 = await fetch('https://aztec-ignition.s3.amazonaws.com/MAIN%20IGNITION/sealed/transcript00.dat', {
+    const response2 = await fetch('https://aztec-ignition.s3.amazonaws.com/MAIN%20IGNITION/monomial/transcript00.dat', {
       headers: {
         Range: `bytes=${g2Start}-${g2End}`,
       },
diff --git a/circuits/cpp/barretenberg/ts/src/main.ts b/circuits/cpp/barretenberg/ts/src/main.ts
index e70bedd121e7..eecda39aa0aa 100755
--- a/circuits/cpp/barretenberg/ts/src/main.ts
+++ b/circuits/cpp/barretenberg/ts/src/main.ts
@@ -8,8 +8,8 @@ import { Command } from 'commander';
 createDebug.log = console.error.bind(console);
 const debug = createDebug('bb.js');
 
-// Maximum we support.
-const MAX_CIRCUIT_SIZE = 2 ** 19;
+// Maximum we support natively. It is 2^19 for browser.
+const MAX_CIRCUIT_SIZE = 2 ** 23;
 
 function getBytecode(bytecodePath: string) {
   const encodedCircuit = readFileSync(bytecodePath, 'utf-8');
diff --git a/yarn-project/circuits.js/src/crs/index.ts b/yarn-project/circuits.js/src/crs/index.ts
index ca2c6701ff50..41355990cc7d 100644
--- a/yarn-project/circuits.js/src/crs/index.ts
+++ b/yarn-project/circuits.js/src/crs/index.ts
@@ -27,7 +27,7 @@ export class NetCrs {
     const g1End = g1Start + this.numPoints * 64 - 1;
 
     // Download required range of data.
-    const response = await fetch('https://aztec-ignition.s3.amazonaws.com/MAIN%20IGNITION/sealed/transcript00.dat', {
+    const response = await fetch('https://aztec-ignition.s3.amazonaws.com/MAIN%20IGNITION/monomial/transcript00.dat', {
       headers: {
         Range: `bytes=${g1Start}-${g1End}`,
       },
@@ -42,10 +42,10 @@ export class NetCrs {
    * Download the G2 points data.
    */
   async downloadG2Data() {
-    const g2Start = 28 + 5040000 * 64;
+    const g2Start = 28 + 5040001 * 64;
     const g2End = g2Start + 128 - 1;
 
-    const response2 = await fetch('https://aztec-ignition.s3.amazonaws.com/MAIN%20IGNITION/sealed/transcript00.dat', {
+    const response2 = await fetch('https://aztec-ignition.s3.amazonaws.com/MAIN%20IGNITION/monomial/transcript00.dat', {
       headers: {
         Range: `bytes=${g2Start}-${g2End}`,
       },