diff --git a/tensorflow/tools/ci_build/nightly_release/macos/cpu_py36.sh b/tensorflow/tools/ci_build/nightly_release/macos/cpu_py36.sh
index 975aaee187d..9567eb72a04 100644
--- a/tensorflow/tools/ci_build/nightly_release/macos/cpu_py36.sh
+++ b/tensorflow/tools/ci_build/nightly_release/macos/cpu_py36.sh
@@ -57,6 +57,7 @@ for f in $(ls pip_pkg/tf_nightly*dev*macosx*.whl); do
   # Upload the PIP package if whl test passes.
   if [ ${RETVAL} -eq 0 ]; then
     echo "Basic PIP test PASSED, Uploading package: ${f}"
+    python -m pip install twine
     python -m twine upload -r pypi-warehouse "${f}"
   else
     echo "Basic PIP test FAILED, will not upload ${f} package"
diff --git a/tensorflow/tools/ci_build/nightly_release/macos/cpu_py37.sh b/tensorflow/tools/ci_build/nightly_release/macos/cpu_py37.sh
index 3c4d1b051e0..bfb0774febf 100644
--- a/tensorflow/tools/ci_build/nightly_release/macos/cpu_py37.sh
+++ b/tensorflow/tools/ci_build/nightly_release/macos/cpu_py37.sh
@@ -57,6 +57,7 @@ for f in $(ls pip_pkg/tf_nightly*dev*macosx*.whl); do
   # Upload the PIP package if whl test passes.
   if [ ${RETVAL} -eq 0 ]; then
     echo "Basic PIP test PASSED, Uploading package: ${f}"
+    python -m pip install twine
     python -m twine upload -r pypi-warehouse "${f}"
   else
     echo "Basic PIP test FAILED, will not upload ${f} package"
diff --git a/tensorflow/tools/ci_build/nightly_release/macos/cpu_py38.sh b/tensorflow/tools/ci_build/nightly_release/macos/cpu_py38.sh
index e2ec3265196..c5f3df83d42 100644
--- a/tensorflow/tools/ci_build/nightly_release/macos/cpu_py38.sh
+++ b/tensorflow/tools/ci_build/nightly_release/macos/cpu_py38.sh
@@ -57,6 +57,7 @@ for f in $(ls pip_pkg/tf_nightly*dev*macosx*.whl); do
   # Upload the PIP package if whl test passes.
   if [ ${RETVAL} -eq 0 ]; then
     echo "Basic PIP test PASSED, Uploading package: ${f}"
+    python -m pip install twine
     python -m twine upload -r pypi-warehouse "${f}"
   else
     echo "Basic PIP test FAILED, will not upload ${f} package"