diff --git a/poetry.lock b/poetry.lock
index 3f064f4aec8..7896139732c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1061,13 +1061,13 @@ pycparser = "*"
 
 [[package]]
 name = "cfn-lint"
-version = "1.18.2"
+version = "1.18.3"
 description = "Checks CloudFormation templates for practices and behaviour that could potentially be improved"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "cfn_lint-1.18.2-py3-none-any.whl", hash = "sha256:52097e8a13c896e7a2776af14116735476ac80e9570bf94c71584f4500a1e42c"},
-    {file = "cfn_lint-1.18.2.tar.gz", hash = "sha256:9ee576db7804839a7f11a7509205bf39ec2663cea2d0c2c09f35c41e2bc03673"},
+    {file = "cfn_lint-1.18.3-py3-none-any.whl", hash = "sha256:4363278035540fbaea3b40e9abb262f14414005b36b3c01c6d94a19f48c89b01"},
+    {file = "cfn_lint-1.18.3.tar.gz", hash = "sha256:e0dedb35e717602b8f82043cb315dcc0e1222f9cdc4d47ecbfb73c20159a9dcb"},
 ]
 
 [package.dependencies]
@@ -4346,4 +4346,4 @@ validation = ["fastjsonschema"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4.0.0"
-content-hash = "775906c89ff109723014a520868b072f5819d5a9a53a5b2b2a592d33cd2a78a8"
+content-hash = "602a1688a346857aed455bd72c22566d854c1da85e4a758c4cc66865c0662d88"
diff --git a/pyproject.toml b/pyproject.toml
index ba564297b55..3e08ef271d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -107,7 +107,7 @@ datadog = ["datadog-lambda"]
 datamasking = ["aws-encryption-sdk", "jsonpath-ng"]
 
 [tool.poetry.group.dev.dependencies]
-cfn-lint = "1.18.2"
+cfn-lint = "1.18.3"
 mypy = "^1.1.1"
 types-python-dateutil = "^2.8.19.6"
 aws-cdk-aws-appsync-alpha = "^2.59.0a0"