diff --git a/requirements.txt b/requirements.txt
index d84b99f..f91159d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 numpy==1.21.0
-jinja2==2.11.3
+jinja2==3.1.3
 html2text==2020.1.16
 # Not the latest version. Need to fix when ldcoolp-figshare has been updated to these dependencies
 redata==0.4.1