diff --git a/.github/workflows/mirror-noir-subrepo.yml b/.github/workflows/mirror-noir-subrepo.yml
index abcae31ac0a..9ca0d61d2ca 100644
--- a/.github/workflows/mirror-noir-subrepo.yml
+++ b/.github/workflows/mirror-noir-subrepo.yml
@@ -96,6 +96,12 @@ jobs:
             git config --file="$SUBREPO_PATH/.gitrepo" subrepo.commit "$BASE_NOIR_COMMIT"
             # make a new commit with our previous message
             git commit -am "$COMMIT_MESSAGE"
+
+            # There's various changes which we need to make to account for CI differences so we run this script to apply them.
+            git checkout origin/master -- noir/scripts/sync-out-fixup.sh
+            noir/scripts/sync-out-fixup.sh
+            git commit -am "chore: apply sync fixes"
+
             # Now push to it with subrepo with computed commit messages
             if ./scripts/git-subrepo/lib/git-subrepo push $SUBREPO_PATH --squash --branch=$STAGING_BRANCH; then
               # We don't push a commit to aztec anymore so that we can maintain the 'commit' as our last pull branch
diff --git a/.github/workflows/pull-noir.yml b/.github/workflows/pull-noir.yml
index fdd990816c2..b1ca0cc7bbf 100644
--- a/.github/workflows/pull-noir.yml
+++ b/.github/workflows/pull-noir.yml
@@ -101,8 +101,8 @@ jobs:
               git commit -am "[$LINES changes] $COMMIT_MESSAGE"
 
               # There's various changes which we need to make to account for CI differences so we run this script to apply them.
-              git checkout origin/master -- noir/scripts/sync-fixup.sh
-              noir/scripts/sync-fixup.sh
+              git checkout origin/master -- noir/scripts/sync-in-fixup.sh
+              noir/scripts/sync-in-fixup.sh
               git commit -am "chore: apply sync fixes"
 
               git push origin $STAGING_BRANCH --force
diff --git a/noir/bb-version b/noir/bb-version
new file mode 100644
index 00000000000..72a8a6313bb
--- /dev/null
+++ b/noir/bb-version
@@ -0,0 +1 @@
+0.41.0
diff --git a/noir/scripts/sync-fixup.sh b/noir/scripts/sync-in-fixup.sh
similarity index 89%
rename from noir/scripts/sync-fixup.sh
rename to noir/scripts/sync-in-fixup.sh
index 1f1152d1cee..ba3c591eac4 100755
--- a/noir/scripts/sync-fixup.sh
+++ b/noir/scripts/sync-in-fixup.sh
@@ -5,6 +5,8 @@ cd $(dirname $0)/../noir-repo
 
 tmp=$(mktemp)
 BACKEND_BARRETENBERG_PACKAGE_JSON=./tooling/noir_js_backend_barretenberg/package.json
+
+jq -r '.dependencies."@aztec/bb.js"' $BACKEND_BARRETENBERG_PACKAGE_JSON > ../bb-version
 jq '.dependencies."@aztec/bb.js" = "portal:../../../../barretenberg/ts"' $BACKEND_BARRETENBERG_PACKAGE_JSON > $tmp && mv $tmp $BACKEND_BARRETENBERG_PACKAGE_JSON
 
 # This script runs in CI which enforces immutable installs by default,
diff --git a/noir/scripts/sync-out-fixup.sh b/noir/scripts/sync-out-fixup.sh
new file mode 100755
index 00000000000..79976883d0b
--- /dev/null
+++ b/noir/scripts/sync-out-fixup.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -eu
+
+cd $(dirname $0)/../noir-repo
+
+BB_VERSION=$(cat ../bb-version)
+
+tmp=$(mktemp)
+BACKEND_BARRETENBERG_PACKAGE_JSON=./tooling/noir_js_backend_barretenberg/package.json
+jq --arg v $BB_VERSION '.dependencies."@aztec/bb.js" = $v' $BACKEND_BARRETENBERG_PACKAGE_JSON > $tmp && mv $tmp $BACKEND_BARRETENBERG_PACKAGE_JSON
+
+# This script runs in CI which enforces immutable installs by default,
+# we then must turn this off in order to update yarn.lock. 
+YARN_ENABLE_IMMUTABLE_INSTALLS=false yarn install
+
+# Add requirement for `wasm-opt` to be installed
+sed -i "s/^#require_command wasm-opt/require_command wasm-opt/" ./tooling/noirc_abi_wasm/build.sh
+sed -i "s/^#require_command wasm-opt/require_command wasm-opt/" ./acvm-repo/acvm_js/build.sh