diff --git a/docker/Dockerfile b/docker/Dockerfile
index 8d376f3..abcea21 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -28,6 +28,7 @@ RUN curl -sSL -o /usr/local/bin/yq \
  && chmod +x /usr/local/bin/yq
 
 COPY . /app
+COPY .marp /app/.marp
 WORKDIR /app
 
 ENV LANG=C.UTF-8 \