--- a/taskcluster/docker/google-play-strings/Dockerfile
+++ b/taskcluster/docker/google-play-strings/Dockerfile
@@ -17,14 +17,17 @@ RUN apt-get install -y \
     libxslt1-dev \
     pkg-config \
     python3-dev \
     python3-setuptools
 
 WORKDIR /builds/worker/
 RUN git clone https://github.com/mozilla-releng/mozapkpublisher
 WORKDIR /builds/worker/mozapkpublisher
+# Change hash_for_given_tag to point to a newer tag. For more information, see
+# https://bugzilla.mozilla.org/show_bug.cgi?id=1459980#c3
+RUN git checkout 50750fceb7c0d831cf61cb550af62b2c93e8e755
 RUN python3 setup.py develop
 
 RUN chown -R worker:worker /builds/worker
 
 # Set a default command useful for debugging
 CMD ["/bin/bash", "--login"]