diff --git a/dev-requirements.txt b/dev-requirements.txt
index efafd58..bde4577 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,7 +2,11 @@ boto3
 Jinja2
 click
 pyminifier
-cfn-lint
+cfn-lint>=0.34
+# apprise
+pulumi>=3.0.0,<4.0.0
+pulumi-aws>=4.0.0,<5.0.0
+
 flake8
 pytest
 twine
diff --git a/requirements.txt b/requirements.txt
index eab027c..9e0b4ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,12 @@
 boto3
-Jinja2<3
+Jinja2
 click
 pyminifier
 cfn-lint>=0.34
 # apprise
 pulumi>=3.0.0,<4.0.0
 pulumi-aws>=4.0.0,<5.0.0
+
+# flake8
+# pytest
+# twine