diff --git a/requirements.txt b/requirements.txt
index fc267bc6..129253cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -93,7 +93,7 @@ oauthlib==3.2.2
 pylti==0.7.0
 django-lti-provider==1.0.0
 
-pyparsing<2.3.1
+pyparsing<3.1.5
 edtf<=3.0.0
 
 pbr==6.1.0 # bandit