diff --git a/docker/install/ubuntu_install_python_package.sh b/docker/install/ubuntu_install_python_package.sh
index 41c8697f4234..ba5d47bfcc48 100755
--- a/docker/install/ubuntu_install_python_package.sh
+++ b/docker/install/ubuntu_install_python_package.sh
@@ -25,7 +25,7 @@ pip3 install --upgrade \
     "Pygments>=2.4.0" \
     attrs \
     cloudpickle \
-    cython \
+    cython==0.29.34 \
     decorator \
     mypy \
     numpy==1.21.* \