diff --git a/requirements.py3.txt b/requirements.py3.txt
index c012eed..511f1a8 100644
--- a/requirements.py3.txt
+++ b/requirements.py3.txt
@@ -22,7 +22,7 @@ psycopg2-binary
 
 # Template renderer.
 #jinja2
-jinja2==2.11.1
+jinja2
 
 # MarkDown is a popular and familair WYSIWYM markup language.
 markdown