diff --git a/Dockerfile b/Dockerfile
index 5a1a019..8123b19 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,7 @@ FROM python:3.5-slim
 WORKDIR /servo
 
 # Install dependencies
+# hadolint ignore=DL3013
 RUN pip3 install PyYAML redis requests pandas
 
 # Install servo