diff --git a/heptapod/assets/heptapod_base_install.sh b/heptapod/assets/heptapod_base_install.sh
index d9215cc50ee7dc9d4885e2600b83e0790a45bf05_aGVwdGFwb2QvYXNzZXRzL2hlcHRhcG9kX2Jhc2VfaW5zdGFsbC5zaA==..634e3e7d3200e8be0ba7d73d55a166f76a344952_aGVwdGFwb2QvYXNzZXRzL2hlcHRhcG9kX2Jhc2VfaW5zdGFsbC5zaA== 100644
--- a/heptapod/assets/heptapod_base_install.sh
+++ b/heptapod/assets/heptapod_base_install.sh
@@ -25,7 +25,7 @@
 echo
 
 apt-get update
-apt-get upgrade -y
+apt-get upgrade -y -o DPkg::Options::=--force-confold
 apt-get install -y --no-install-recommends \
         patch build-essential ${PYTHON_INSTALL_PKGS}