diff --git a/requirements.txt b/requirements.txt
index 9fd04e9..32e6ebb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -111,7 +111,7 @@ python-frontmatter
 # present via Dash.
 dash-improve-my-llms[flask]>=2.7.1
 python-dotenv>=1.0
-pydantic>=2.0
+pydantic>=2.13.4
 requests>=2.31
 
 # --- Live examples ---------------------------------------------------------