diff --git a/ch14/requirements/dev.txt b/ch14/requirements/dev.txt
index 7a0d119..b1102bc 100644
--- a/ch14/requirements/dev.txt
+++ b/ch14/requirements/dev.txt
@@ -66,7 +66,7 @@ httpcore==1.0.7
     # via httpx
 httpx==0.27.2
     # via jupyterlab
-idna==3.10
+idna==3.15
     # via
     #   anyio
     #   httpx
diff --git a/ch14/requirements/requirements.txt b/ch14/requirements/requirements.txt
index 85efd06..c3c8b29 100644
--- a/ch14/requirements/requirements.txt
+++ b/ch14/requirements/requirements.txt
@@ -24,7 +24,7 @@ greenlet==3.1.1
     # via sqlalchemy
 h11==0.14.0
     # via uvicorn
-idna==3.10
+idna==3.15
     # via
     #   anyio
     #   email-validator