diff --git a/requirements.txt b/requirements.txt
index 2083ab386..7e3bcb04c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ aiohttp==3.8.5
 boto3==1.24.59
 tornado==6.3.3
 MarkupSafe==2.1.2
-reasoner-validator==3.8.10
+reasoner-validator==3.9.1
 pronto==2.5.3
 pygit2==1.10.0
 tabulate==0.9.0