Ignore orjson for now
It makes TravisCI to fail and none of the tests are ran.
@@ -64,7 +64,9 @@ git+https://github.com/elastic/elasticsearch-dsl-py@97e3f756a8cacd1c863d3ced3d17
# ImportError: cannot import name 'Document'
django-elasticsearch-dsl==0.5.1 # pyup: ignore
selectolax==0.2.1
-orjson==2.1.0
+
+# Ignoring orjson for now because it makes Travis to fail
+orjson==2.0.7 # pyup: ignore
# Utils
django-gravatar2==1.4.2
