diff --git a/ch10/requirements.txt b/ch10/requirements.txt
index 62f7d24..97e53a0 100644
--- a/ch10/requirements.txt
+++ b/ch10/requirements.txt
@@ -1,7 +1,7 @@
 delorean==1.0.0
 feedparser==6.0.12 
 jinja2==3.1.6
-mistune==3.2.0
+mistune==3.2.1
 requests==2.32.5
 twilio==9.10.2
 openpyxl==3.1.5