diff --git a/docker/Dockerfile b/docker/Dockerfile
index 2dad4b9a5..15179babd 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -11,4 +11,4 @@ RUN rm -rf /var/lib/apt/lists/* && \
 COPY *.md ./
 COPY setup.py ./
 COPY merlion merlion
-RUN pip install "./"
+RUN pip install --no-cache-dir "./"
diff --git a/docker/dashboard/Dockerfile b/docker/dashboard/Dockerfile
index 936c85e24..1a23cb86b 100644
--- a/docker/dashboard/Dockerfile
+++ b/docker/dashboard/Dockerfile
@@ -11,5 +11,5 @@ RUN rm -rf /var/lib/apt/lists/* && \
 COPY *.md ./
 COPY setup.py ./
 COPY merlion merlion
-RUN pip install gunicorn "./[dashboard]"
+RUN pip install --no-cache-dir gunicorn "./[dashboard]"
 CMD gunicorn -b 0.0.0.0:80 merlion.dashboard.server:server
diff --git a/docker/spark-on-k8s/Dockerfile b/docker/spark-on-k8s/Dockerfile
index 03eeca8b9..77db9f3c3 100644
--- a/docker/spark-on-k8s/Dockerfile
+++ b/docker/spark-on-k8s/Dockerfile
@@ -9,7 +9,7 @@ ENV PYTHONPATH="${SPARK_HOME}/python/lib/pyspark.zip:${SPARK_HOME}/python/lib/py
 COPY *.md ./
 COPY setup.py ./
 COPY merlion merlion
-RUN pip install pyarrow "./"
+RUN pip install --no-cache-dir pyarrow "./"
 
 # Copy Merlion pyspark apps
 COPY spark_apps /opt/spark/apps