diff --git a/file-analysis.dockerfile b/file-analysis.dockerfile
index 93a3444..77a6ed3 100644
--- a/file-analysis.dockerfile
+++ b/file-analysis.dockerfile
@@ -31,7 +31,6 @@ RUN apt-get update && apt-get install -y \
 
 RUN git clone https://github.com/buffer/pyv8.git ; cd pyv8 ; python setup.py build && python setup.py install && cd .. && rm -rf pyv8
 RUN git clone https://github.com/buffer/libemu.git ; cd libemu ; autoreconf -v -i && ./configure --prefix=/opt/libemu && make install && cd .. && rm -rf libemu2
-RUN pip install --upgrade pip
 RUN pip install pylibemu==0.5.8
 RUN pip install -U https://github.com/decalage2/ViperMonkey/archive/master.zip
 RUN pip install -U https://github.com/decalage2/oletools/archive/master.zip