diff --git a/Dockerfile b/Dockerfile
index f873c58..77316eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM ruby:3-alpine
 
-ARG CFNDSL_SPEC_VERSION=${CFNDSL_SPEC_VERSION:-169.0.0}
+ARG CFNDSL_SPEC_VERSION=${CFNDSL_SPEC_VERSION:-149.0.0}
 
 COPY . /src
 
diff --git a/lib/cfhighlander.version.rb b/lib/cfhighlander.version.rb
index 759f103..a4d7558 100644
--- a/lib/cfhighlander.version.rb
+++ b/lib/cfhighlander.version.rb
@@ -1,3 +1,3 @@
 module Cfhighlander
-  VERSION="0.13.5".freeze
+  VERSION="0.13.6".freeze
 end