diff --git a/pylib/cassandra-cqlsh-tests.sh b/pylib/cassandra-cqlsh-tests.sh
index f039ba8cf8..b2d2c500ae 100755
--- a/pylib/cassandra-cqlsh-tests.sh
+++ b/pylib/cassandra-cqlsh-tests.sh
@@ -89,7 +89,7 @@ pip freeze
 
 if [ "$cython" = "yes" ]; then
     TESTSUITE_NAME="${TESTSUITE_NAME}.cython"
-    pip install "Cython>=0.27.2,<0.28"
+    pip install "Cython>=0.29.15,<3.0"
     cd pylib/; python setup.py build_ext --inplace
     cd ${WORKSPACE}
 else