diff --git a/ChatQnA/Dockerfile b/ChatQnA/Dockerfile
index 3439a821e..4ece0783a 100644
--- a/ChatQnA/Dockerfile
+++ b/ChatQnA/Dockerfile
@@ -29,4 +29,6 @@ USER user
 
 WORKDIR /home/user
 
+RUN echo 'ulimit -S -n 999999' >> ~/.bashrc
+
 ENTRYPOINT ["python", "chatqna.py"]
diff --git a/ChatQnA/Dockerfile.guardrails b/ChatQnA/Dockerfile.guardrails
index d36a4de50..12f8ce957 100644
--- a/ChatQnA/Dockerfile.guardrails
+++ b/ChatQnA/Dockerfile.guardrails
@@ -29,4 +29,6 @@ USER user
 
 WORKDIR /home/user
 
+RUN echo 'ulimit -S -n 999999' >> ~/.bashrc
+
 ENTRYPOINT ["python", "chatqna_guardrails.py"]
diff --git a/ChatQnA/Dockerfile.no_wrapper b/ChatQnA/Dockerfile.no_wrapper
index c6adacaee..2cd260122 100644
--- a/ChatQnA/Dockerfile.no_wrapper
+++ b/ChatQnA/Dockerfile.no_wrapper
@@ -31,4 +31,6 @@ USER user
 
 WORKDIR /home/user
 
+RUN echo 'ulimit -S -n 999999' >> ~/.bashrc
+
 ENTRYPOINT ["python", "chatqna_no_wrapper.py"]
diff --git a/ChatQnA/Dockerfile.without_rerank b/ChatQnA/Dockerfile.without_rerank
index 7b6d0ebcd..52fcf31d9 100644
--- a/ChatQnA/Dockerfile.without_rerank
+++ b/ChatQnA/Dockerfile.without_rerank
@@ -29,4 +29,6 @@ USER user
 
 WORKDIR /home/user
 
+RUN echo 'ulimit -S -n 999999' >> ~/.bashrc
+
 ENTRYPOINT ["python", "chatqna_without_rerank.py"]