diff --git a/api-book/requirements.txt b/api-book/requirements.txt
index 413724e..c71a7bc 100644
--- a/api-book/requirements.txt
+++ b/api-book/requirements.txt
@@ -46,7 +46,7 @@ myst-nb==0.11.1
 myst-parser==0.13.3
 nbclient==0.5.1
 nbconvert==5.6.1
-nbdime==2.1.0
+nbdime==2.1.1
 nbformat==5.1.2
 nest-asyncio==1.5.1
 nested-lookup==0.2.21