diff --git a/requirements-all.txt b/requirements-all.txt
index a563e35..d3a7be8 100644
--- a/requirements-all.txt
+++ b/requirements-all.txt
@@ -1,5 +1,5 @@
 boto3==1.35.63
-cfn-lint==1.18.4
+cfn-lint==1.20.0
 flake8==7.1.1
 flake8-blind-except==0.2.1
 flake8-builtins==2.5.0