diff --git a/travis/build-wheels.sh b/travis/build-wheels.sh
index 422597e61b9d7eb1f725e58338dc1106ddd2bff4..709f5f9d319b2155b09b721a43fe40edc234ad84 100755
--- a/travis/build-wheels.sh
+++ b/travis/build-wheels.sh
@@ -37,6 +37,8 @@ for PYBIN in /opt/python/*/bin; do
         NUMPY_VERSION="1.9.3"
     elif [[ "${PYBIN}" == *cp38* ]]; then
         NUMPY_VERSION="1.17.3"
+    elif [[ "${PYBIN}" == *cp39* ]]; then
+        continue
     else
         NUMPY_VERSION="1.8.2"
     fi