diff --git a/ChatQnA/langchain/docker/Dockerfile b/ChatQnA/langchain/docker/Dockerfile
index 0b535686a4..910adfd9af 100644
--- a/ChatQnA/langchain/docker/Dockerfile
+++ b/ChatQnA/langchain/docker/Dockerfile
@@ -15,7 +15,7 @@ RUN pip install --upgrade pip \
     sentence-transformers \
     redis \
     unstructured \
-    unstructured[pdf] \
+    unstructured[all-docs] \
     langchain-cli \
     pydantic==1.10.13 \
     langchain==0.1.12 \