diff --git a/Dockerfile b/Dockerfile
index c8fbde4..7201374 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ ADD https://api.github.com/repos/upx/upx/git/refs/heads/$BRANCH version.json
 RUN git clone --quiet -n --branch $BRANCH https://github.com/upx/upx/
 ARG CMAKE_BUILD_TYPE="Release"
 WORKDIR ./upx
-RUN git checkout --quiet 65707900bc92153349db9c7c3389ef2ba4e9e877
+RUN git checkout --quiet `git tag | sort -V | tail -1`
 RUN git submodule --quiet update --init
 RUN mkdir -p ./build/release
 WORKDIR ./build/release