test-all-versions in cloudcannon-jekyll-3.0.2

- old
+ new

@@ -2,8 +2,9 @@
 
 set -ex
 
 JEKYLL_VERSION=2.4.0 bundle update && $(dirname "$0")/test &&
 JEKYLL_VERSION=3.0.0 bundle update && $(dirname "$0")/test &&
+JEKYLL_VERSION=3.3.1 bundle update && $(dirname "$0")/test &&
 JEKYLL_VERSION=3.8.5 bundle update && $(dirname "$0")/test &&
 JEKYLL_VERSION=4.2.1 bundle update && $(dirname "$0")/test
 