diff --git a/code/Ch3/pyproject.toml b/code/Ch3/pyproject.toml
index d54f823..0ba8d74 100644
--- a/code/Ch3/pyproject.toml
+++ b/code/Ch3/pyproject.toml
@@ -83,7 +83,7 @@ dependencies = [
     "typing-extensions==4.15.0",
     "tzdata==2025.2",
     "tzlocal==5.3.1",
-    "urllib3==2.5.0",
+    "urllib3==2.6.0",
     "wcwidth==0.2.14",
     "websockets==15.0.1",
     "wheel==0.45.1",