diff --git a/pyproject.toml b/pyproject.toml
index 3dd7abe..1dc13bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
         "click==8.1.7",
         "pexpect==4.9.0",
         "python-minifier==2.9.0",
-        "cfn-lint==0.86.4",
+        "cfn-lint==1.20.1",
         "ruamel.yaml==0.18.6",
         "pulumi==3.113.3",
         "pulumi-aws==6.32.0",