diff --git a/markitdown-sidecar/Dockerfile b/markitdown-sidecar/Dockerfile
index ab71869..38cc350 100644
--- a/markitdown-sidecar/Dockerfile
+++ b/markitdown-sidecar/Dockerfile
@@ -15,7 +15,7 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY app.py limits.py .
+COPY app.py limits.py yt_transcript.py .
 
 USER app
 EXPOSE 8003