diff --git a/scripts/bump_version.sh b/scripts/bump_version.sh
index cee47e7..1e3bcea 100755
--- a/scripts/bump_version.sh
+++ b/scripts/bump_version.sh
@@ -26,6 +26,7 @@
       echo "Usage: $0"
       echo -e "  -h|--help\t\t\tPrint this help."
       echo -e "  --version <version>\tVersion to bump to."
+      echo -e "  --soversion <version>\tSO version to bump to."
       echo -e "  -v|--verbose\t\tVerbose."
       exit 1
       ;;