diff --git a/Dockerfile.gpu b/Dockerfile.gpu
index 99154215b2f7e52720b382594a9744455690a847..80e0f8166898fe5caaf0f792c2b61fa866d6c532 100644
--- a/Dockerfile.gpu
+++ b/Dockerfile.gpu
@@ -27,7 +27,7 @@ RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-6 50
 
 #Install dlib 
 
-RUN git clone https://github.com/davisking/dlib.git
+RUN git clone -b 'v19.16' --single-branch https://github.com/davisking/dlib.git
 RUN mkdir -p /dlib/build
 
 RUN cmake -H/dlib -B/dlib/build -DDLIB_USE_CUDA=1 -DUSE_AVX_INSTRUCTIONS=1