diff --git a/noir/acvm-repo/brillig/src/black_box.rs b/noir/acvm-repo/brillig/src/black_box.rs
index e63da276a7f..c007e78b785 100644
--- a/noir/acvm-repo/brillig/src/black_box.rs
+++ b/noir/acvm-repo/brillig/src/black_box.rs
@@ -45,7 +45,7 @@ pub enum BlackBoxOp {
     PedersenHash { inputs: HeapVector, domain_separator: RegisterIndex, output: RegisterIndex },
     /// Performs scalar multiplication over the embedded curve.
     FixedBaseScalarMul { low: RegisterIndex, high: RegisterIndex, result: HeapArray },
-    /// Performs addtion over the embedded curve.
+    /// Performs addition over the embedded curve.
     EmbeddedCurveAdd {
         input1_x: RegisterIndex,
         input1_y: RegisterIndex,
diff --git a/noir/scripts/bootstrap_packages.sh b/noir/scripts/bootstrap_packages.sh
index df4ee5b3aed..18c34b9cfb7 100755
--- a/noir/scripts/bootstrap_packages.sh
+++ b/noir/scripts/bootstrap_packages.sh
@@ -14,7 +14,7 @@ else
   export GIT_COMMIT=$(git rev-parse --verify HEAD)
 fi
 
-yarn
+yarn --immutable
 yarn build
 
 # We create a folder called packages, that contains each package as it would be published to npm, named correctly.
diff --git a/noir/scripts/test_js_packages.sh b/noir/scripts/test_js_packages.sh
index a5ec5b92a70..cf4fd81326d 100755
--- a/noir/scripts/test_js_packages.sh
+++ b/noir/scripts/test_js_packages.sh
@@ -17,10 +17,10 @@ fi
 cargo build --release
 export PATH="${PATH}:/usr/src/noir/target/release/"
 
-yarn
+yarn --immutable
 yarn build
 npx playwright install
 npx playwright install-deps
 
 ./scripts/test.sh
-yarn test
\ No newline at end of file
+yarn test