diff --git a/scripts/nightly.yaml b/scripts/nightly.yaml
index c711f2d65..e7db53b8c 100644
--- a/scripts/nightly.yaml
+++ b/scripts/nightly.yaml
@@ -183,6 +183,7 @@ stages:
         set -e
         docker run --rm -v $(pwd):/workspace -w /workspace \
           -e HOME=/tmp \
+          -e MAKEFLAGS="-j2" \
           quay.io/pypa/manylinux2014_aarch64:latest \
           bash -c "
             set -e
diff --git a/scripts/release.yml b/scripts/release.yml
index 4d770065c..e725a1de6 100644
--- a/scripts/release.yml
+++ b/scripts/release.yml
@@ -187,6 +187,7 @@ stages:
         set -e
         docker run --rm -v $(pwd):/workspace -w /workspace \
           -e HOME=/tmp \
+          -e MAKEFLAGS="-j2" \
           quay.io/pypa/manylinux2014_aarch64:latest \
           bash -c "
             set -e