diff --git a/poetry.lock b/poetry.lock
index 79044b26c77..bf8f7194e71 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1978,13 +1978,13 @@ typing-extensions = {version = ">=4.1.0", markers = "python_version < \"3.12\""}
 
 [[package]]
 name = "mypy-boto3-cloudformation"
-version = "1.34.77"
-description = "Type annotations for boto3.CloudFormation 1.34.77 service generated with mypy-boto3-builder 7.23.2"
+version = "1.34.84"
+description = "Type annotations for boto3.CloudFormation 1.34.84 service generated with mypy-boto3-builder 7.23.2"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "mypy-boto3-cloudformation-1.34.77.tar.gz", hash = "sha256:990014182681f9df2257f185056126c0db30bf1260f6cd3d46cedb3cf467f0ad"},
-    {file = "mypy_boto3_cloudformation-1.34.77-py3-none-any.whl", hash = "sha256:4a32a2f7e1e06a1ed4daa1e278149b1a70876b108f0056507f7d7483856a93a6"},
+    {file = "mypy_boto3_cloudformation-1.34.84-py3-none-any.whl", hash = "sha256:580954031cb3650588b91f592e8f51855b2ff435d763ac0d69cf271c8433315f"},
+    {file = "mypy_boto3_cloudformation-1.34.84.tar.gz", hash = "sha256:82d14df3757f30b5a1d34650839d415d265d4de41cf355d63e10221fcc67f177"},
 ]
 
 [package.dependencies]
@@ -3515,4 +3515,4 @@ validation = ["fastjsonschema"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4.0.0"
-content-hash = "b5c68b5ceb3698ae79719b05033c334987ec40ce8923383a38d4b7626096f9bb"
+content-hash = "b11950d529d8ba45e4879bd7ad7f70eda13fbb790c5e177c025f74be69754bbe"
diff --git a/pyproject.toml b/pyproject.toml
index 1bd7b054cd3..bd556530553 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ aws-cdk-lib = "^2.137.0"
 "cdklabs.generative-ai-cdk-constructs" = "^0.1.112"
 pytest-benchmark = "^4.0.0"
 mypy-boto3-appconfig = "^1.34.58"
-mypy-boto3-cloudformation = "^1.34.77"
+mypy-boto3-cloudformation = "^1.34.84"
 mypy-boto3-cloudwatch = "^1.34.83"
 mypy-boto3-dynamodb = "^1.34.67"
 mypy-boto3-lambda = "^1.34.77"