diff --git a/Dockerfile b/Dockerfile
index bb04b13..1e868af 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,9 +7,8 @@ ENV PYTHONUNBUFFERED=1 \
     PYTHONDONTWRITEBYTECODE=1 \
     PIP_NO_CACHE_DIR=1
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    libgl1-mesa-glx libglib2.0-0 \
-    && rm -rf /var/lib/apt/lists/*
+# Pillow wheel manylinux já inclui as libs necessárias (libjpeg, zlib, etc).
+# Nenhum pacote do sistema é necessário para pypdf + Pillow + Streamlit.
 
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt