diff --git a/ai-agent/requirements-dev.txt b/ai-agent/requirements-dev.txt
index 22831e7..909fb7f 100644
--- a/ai-agent/requirements-dev.txt
+++ b/ai-agent/requirements-dev.txt
@@ -6,7 +6,7 @@
 # Development tools
 pytest==7.4.3
 pytest-asyncio==0.21.1
-pytest-mock==3.12.0
+pytest-mock==3.15.1
 python-dotenv==1.0.0
 
 # Testing utilities