diff --git a/ci/docker/Dockerfile.d2l-zh-paddle b/ci/docker/Dockerfile.d2l-zh-paddle
index 3815cc8e4..07be02ac5 100644
--- a/ci/docker/Dockerfile.d2l-zh-paddle
+++ b/ci/docker/Dockerfile.d2l-zh-paddle
@@ -20,7 +20,7 @@ USER ci
 ENV PATH="/home/ci/.local/bin:$PATH"
 
 # Install d2lbook using pip + paddlepaddle dependencies
-RUN pip3 install git+https://github.com/d2l-ai/d2l-book opencv-python==4.6.0.66
+RUN pip3 install git+https://github.com/d2l-ai/d2l-book "opencv-python==4.6.0.66"
 
 # Python script to print framework versions
 ADD print_versions.py .