diff --git a/code/Ch9/pyproject.toml b/code/Ch9/pyproject.toml
index 4a0d10e..d9be4f1 100644
--- a/code/Ch9/pyproject.toml
+++ b/code/Ch9/pyproject.toml
@@ -128,7 +128,7 @@ dependencies = [
     "tzdata==2025.2",
     "uc-micro-py==1.0.3",
     "uri-template==1.3.0",
-    "urllib3==2.5.0",
+    "urllib3==2.6.0",
     "wcwidth==0.2.14",
     "webcolors==24.11.1",
     "webencodings==0.5.1",