diff --git a/scripts/docker/Dockerfile b/scripts/docker/Dockerfile
index 6de6c36d2..9d8e7667d 100644
--- a/scripts/docker/Dockerfile
+++ b/scripts/docker/Dockerfile
@@ -19,9 +19,11 @@ RUN apt-get update && apt-get install -y xvfb
 
 # Install GTSAM
 RUN apt-get update && apt-get install -y libboost-all-dev
+ADD https://api.github.com/repos/borglab/gtsam/git/refs/heads/master version.json
 RUN git clone https://github.com/borglab/gtsam.git
 RUN cd gtsam && \
     git fetch && \
+    git checkout master && \
     mkdir build && \
     cd build && \
     cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DGTSAM_BUILD_TESTS=OFF -DGTSAM_BUILD_EXAMPLES_ALWAYS=OFF -DCMAKE_BUILD_TYPE=Release -DGTSAM_BUILD_UNSTABLE=ON .. && \