diff --git a/pyproject.toml b/pyproject.toml
index 3046720..1efe2c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
         "pexpect==4.9.0",
         "python-minifier==2.11.3",
         "cfn-lint==1.35.3",
-        "ruamel.yaml==0.18.10",
+        "ruamel.yaml==0.18.11",
         "rich==14.0.0",
         "pulumi==3.171.0",
         "pulumi-aws==6.81.0",