diff --git a/requirements/prod.txt b/requirements/prod.txt
index b74f2abd4..1e29ad97b 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -145,7 +145,7 @@ honcho==1.1.0
     # via -r requirements/prod.in
 humanfriendly==10.0
     # via coloredlogs
-idna==3.4
+idna==3.15
     # via
     #   cumulusci
     #   requests