diff --git a/avm-transpiler/Cargo.lock b/avm-transpiler/Cargo.lock
index 1be6bbf4c3d1..5de341e813b6 100644
--- a/avm-transpiler/Cargo.lock
+++ b/avm-transpiler/Cargo.lock
@@ -4,7 +4,7 @@ version = 4
 
 [[package]]
 name = "acir"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acir_field",
  "base64 0.22.1",
@@ -30,7 +30,7 @@ dependencies = [
 
 [[package]]
 name = "acir_field"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "ark-bn254",
  "ark-ff",
@@ -43,7 +43,7 @@ dependencies = [
 
 [[package]]
 name = "acvm"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acir",
  "acvm_blackbox_solver",
@@ -57,7 +57,7 @@ dependencies = [
 
 [[package]]
 name = "acvm_blackbox_solver"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acir",
  "blake2",
@@ -470,7 +470,7 @@ dependencies = [
 
 [[package]]
 name = "bn254_blackbox_solver"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acir",
  "acvm_blackbox_solver",
@@ -494,7 +494,7 @@ dependencies = [
 
 [[package]]
 name = "brillig"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acir_field",
  "serde",
@@ -502,7 +502,7 @@ dependencies = [
 
 [[package]]
 name = "brillig_vm"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acir",
  "acvm_blackbox_solver",
@@ -925,7 +925,7 @@ dependencies = [
 
 [[package]]
 name = "fm"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "codespan-reporting",
  "iter-extended",
@@ -1125,7 +1125,7 @@ checksum = "f8478577c03552c21db0e2724ffb8986a5ce7af88107e6be5d2ee6e158c12800"
 
 [[package]]
 name = "iter-extended"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 
 [[package]]
 name = "itertools"
@@ -1227,7 +1227,7 @@ checksum = "defc4c55412d89136f966bbb339008b474350e5e6e78d2714439c386b3137a03"
 
 [[package]]
 name = "noir_protobuf"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "color-eyre",
  "prost",
@@ -1235,7 +1235,7 @@ dependencies = [
 
 [[package]]
 name = "noirc_abi"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acvm",
  "iter-extended",
@@ -1250,11 +1250,11 @@ dependencies = [
 
 [[package]]
 name = "noirc_arena"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 
 [[package]]
 name = "noirc_errors"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acvm",
  "base64 0.22.1",
@@ -1271,7 +1271,7 @@ dependencies = [
 
 [[package]]
 name = "noirc_evaluator"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acvm",
  "bn254_blackbox_solver",
@@ -1302,7 +1302,7 @@ dependencies = [
 
 [[package]]
 name = "noirc_frontend"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acvm",
  "bn254_blackbox_solver",
@@ -1330,7 +1330,7 @@ dependencies = [
 
 [[package]]
 name = "noirc_printable_type"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "acvm",
  "iter-extended",
@@ -1340,7 +1340,7 @@ dependencies = [
 
 [[package]]
 name = "noirc_span"
-version = "1.0.0-beta.15"
+version = "1.0.0-beta.16"
 dependencies = [
  "codespan",
  "serde",
diff --git a/ci3/source_bootstrap b/ci3/source_bootstrap
index 5a2b2eeb17e7..8a8d33ab6f8b 100644
--- a/ci3/source_bootstrap
+++ b/ci3/source_bootstrap
@@ -1,6 +1,9 @@
 # Source this first in all bootstrap scripts.
 # Usage: source $(git rev-parse --show-toplevel)/ci3/source_bootstrap
 source $(git rev-parse --show-toplevel)/ci3/source
+
+# WORKTODO: Remove this once msgpack-compact is the default serialization format in noir.
+export NOIR_SERIALIZATION_FORMAT=msgpack-compact
 source $ci3/source_refname
 source $ci3/source_redis
 
diff --git a/noir/noir-repo b/noir/noir-repo
index 1a930357477f..87d863a54474 160000
--- a/noir/noir-repo
+++ b/noir/noir-repo
@@ -1 +1 @@
-Subproject commit 1a930357477fc0c210dc5a8960680282d4cfa24e
+Subproject commit 87d863a54474c58f9bbc7c146c69fb721b085472