diff --git a/Dockerfile b/Dockerfile
index 78ae172..2c61ea5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -72,7 +72,7 @@ RUN git clone --recursive https://github.com/ekg/seqwish \
 RUN git clone --recursive https://github.com/pangenome/smoothxg \
     && cd smoothxg \
     && git pull \
-    && git checkout aaa0b283e13ca57c4e6e4e67a03451925f5342f1 \
+    && git checkout ae949a1053fb3d7c7fb7bdf358aefcbcbd8073a4 \
     && git submodule update --init --recursive \
     && sed -i 's/-msse4.1/-march=sandybridge -Ofast/g' deps/spoa/CMakeLists.txt \
     && sed -i 's/-march=native/-march=sandybridge -Ofast/g' deps/spoa/CMakeLists.txt \