diff --git a/requirements-optional.txt b/requirements-optional.txt
index 088d785..661a9d6 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -4,7 +4,7 @@ pytest-cov
 coverage<8.0.0
 ipykernel
 pytest<8.0
-nbval<0.11
+nbval<0.12
 filecheck<0.0.24
 lit<17.0.0
 pre-commit==3.3.3