diff --git a/Dockerfile b/Dockerfile
index f269ee7..9b6bed4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,10 @@
 FROM python:3.10-slim
 
-RUN apt-get update && apt-get install -y libsndfile1 && rm -rf /var/lib/apt/lists/*
+# Instala libs de sistema necessárias para soundfile e pydub
+RUN apt-get update && apt-get install -y \
+    libsndfile1 \
+    ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app