diff --git a/ci/base.Dockerfile b/ci/base.Dockerfile
index 2de6aa7f64..0b6e9b3f50 100644
--- a/ci/base.Dockerfile
+++ b/ci/base.Dockerfile
@@ -54,4 +54,4 @@ RUN pyenv update && \
 ENV PATH="/root/.pyenv/shims:${PATH}"
 
 
-RUN pip install --upgrade pip setuptools wheel tox cupy-cuda11x
+RUN pip install --upgrade pip setuptools wheel tox cupy-cuda11x==12.3.0