diff --git a/build-wheels.sh b/build-wheels.sh
index a78a1f7..e66395d 100755
--- a/build-wheels.sh
+++ b/build-wheels.sh
@@ -7,6 +7,7 @@ rm -r /opt/python/cp34*
 
 # Compile wheels
 for PYBIN in /opt/python/*/bin; do
+    "${PYBIN}/pip" install -U pip wheel --no-warn-script-location
     "${PYBIN}/pip" install -r build-requirements.txt
     "${PYBIN}/pip" wheel . -w wheelhouse/ --no-deps
     "${PYBIN}/pip" install .