diff --git a/containers/designate/netutils/Containerfile b/containers/designate/netutils/Containerfile
index 3298a4d7..3f19d1cf 100644
--- a/containers/designate/netutils/Containerfile
+++ b/containers/designate/netutils/Containerfile
@@ -53,6 +53,7 @@ RUN pkgs=$(cat /tmp/bindeps.txt | grep -v '^#' | grep -v '^$' | tr '\n' ' ') &&
 
 # Install source-built wheels + their deps from PyPI + extra Python deps
 COPY --from=build /wheels /wheels
+COPY --from=build /deps-upper-constraints.txt /deps-upper-constraints.txt
 RUN pip3 install --no-cache-dir --prefix=/usr \
       -c /deps-upper-constraints.txt \
       --find-links=/wheels/deps \