diff --git a/Dockerfile b/Dockerfile
index 05c5bfd..bddc45d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,5 @@
 FROM ubuntu:20.04
 ENV DEBIAN_FRONTEND=noninteractive
-COPY . /extractor/
 RUN apt-get update
 #Install tzdata in non-interactive mode, otherwise it asks for timezones.
 RUN apt-get install -y --no-install-recommends tzdata
@@ -9,5 +8,8 @@ RUN apt-get install -y git android-sdk-libsparse-utils liblz4-tool brotli unrar
 RUN apt-get install -y zip rsync
 RUN apt-get install -y default-jdk  # Required for "jar" utility, helps with some broken zip files
 RUN apt-get install -y python2  # Required for splituapp
+RUN apt-get install -y zlib1g-dev  # Required for compiling sinextract
+COPY . /extractor/
+RUN cd /extractor/sinextract && make -j4
 RUN cd /extractor && pip3 install -r requirements.txt
 ENTRYPOINT ["/extractor/extractor.py"]