diff --git a/scripts/install b/scripts/install
index 62263db..2c3993c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -206,7 +206,7 @@ chown -R "$app": "$final_path"
 (
 	cd "$final_path/live"
 	su mastodon <<INSTALL
-		$final_path/.rbenv/versions/2.5.3/bin/gem install bundler --no-ri --no-rdoc
+		$final_path/.rbenv/versions/2.5.3/bin/gem install bundler:1.16.6 --no-ri --no-rdoc
 		$final_path/live/bin/bundle install \
 		-j$(getconf _NPROCESSORS_ONLN) \
 		--deployment --without development test