diff --git a/dev-requirements.txt b/dev-requirements.txt
index fb25cd0b..a28a0742 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -10,7 +10,7 @@ black==23.3.0
     # via -r dev-requirements.in
 boto3==1.27.1
     # via -r requirements.txt
-boto3-stubs[cloudformation]==1.27.1
+boto3-stubs[cloudformation]==1.28.0
     # via -r dev-requirements.in
 botocore==1.30.1
     # via
@@ -44,7 +44,7 @@ mccabe==0.6.1
     # via pylint
 mypy==1.4.1
     # via -r dev-requirements.in
-mypy-boto3-cloudformation==1.27.0
+mypy-boto3-cloudformation==1.28.0
     # via boto3-stubs
 mypy-extensions==1.0.0
     # via