diff --git a/requirements.txt b/requirements.txt
index 720cbc4..4605ebd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-anthropic==0.86.0
+anthropic==0.87.0
 slack-bolt==1.27.0
 slack-sdk==3.41.0
 google-auth==2.49.1