diff --git a/examples/slack/requirements.txt b/examples/slack/requirements.txt
index 4adc433..fdee1c4 100644
--- a/examples/slack/requirements.txt
+++ b/examples/slack/requirements.txt
@@ -1,5 +1,5 @@
 slack-bolt>=1.18.0,<2
-lxml==4.9.2
+lxml==4.9.3
 bs4==0.0.1
 openai>=0.27.4,<0.28
 tiktoken>=0.3.3,<0.4