diff --git a/datasette/cli.py b/datasette/cli.py
index f57fd2c5..72770326 100644
--- a/datasette/cli.py
+++ b/datasette/cli.py
@@ -191,6 +191,12 @@ def publish(
 
     if publisher == "now":
         _fail_if_publish_binary_not_installed("now", "Zeit Now", "https://zeit.co/now")
+        if extra_options:
+            extra_options += " "
+        else:
+            extra_options = ""
+        extra_options += "--config force_https_urls:on"
+
         with temporary_docker_directory(
             files,
             name,
diff --git a/datasette/utils.py b/datasette/utils.py
index 659191a4..f1b403c0 100644
--- a/datasette/utils.py
+++ b/datasette/utils.py
@@ -281,7 +281,7 @@ FROM python:3.6
 COPY . /app
 WORKDIR /app
 {spatialite_extras}
-RUN pip install {install_from}
+RUN pip install -U {install_from}
 RUN datasette inspect {files} --inspect-file inspect-data.json
 EXPOSE 8001
 CMD [{cmd}]'''.format(