diff --git a/poetry.lock b/poetry.lock
index 75cd48c470..29392d7d4f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -272,14 +272,14 @@ files = [
 
 [[package]]
 name = "cfn-lint"
-version = "1.43.2"
+version = "1.43.3"
 description = "Checks CloudFormation templates for practices and behaviour that could potentially be improved"
 optional = false
 python-versions = ">=3.9"
 groups = ["main", "dev"]
 files = [
-    {file = "cfn_lint-1.43.2-py3-none-any.whl", hash = "sha256:e86181a94fa0c474a7bdd653b63758c1e9f5962391ff4b04a2e80ae646cc6f05"},
-    {file = "cfn_lint-1.43.2.tar.gz", hash = "sha256:c27a2e0b2665925af03e5140236dcd0c117233e224a6d2209bf0930c88fc0271"},
+    {file = "cfn_lint-1.43.3-py3-none-any.whl", hash = "sha256:bf839130964903566e0d3ae738884c84b1a1aba60853aeca2240caca405d8e63"},
+    {file = "cfn_lint-1.43.3.tar.gz", hash = "sha256:28ad830a84355c8b93bc557524df06131a7dd5d3c7e2cc7352a9903beeb4f704"},
 ]
 
 [package.dependencies]
@@ -1934,4 +1934,4 @@ files = [
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.12"
-content-hash = "1e573f6267ca3746b3b11c7ce6a9bc19dcdd2ee2f040d2acaa043fa725fcfc3a"
+content-hash = "ca87bb703c6cc5a6e604da41ef7333c523aecafe42e2497cde8d7d742f06caae"
diff --git a/pyproject.toml b/pyproject.toml
index 4e44d13b42..80a7d1eb06 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,14 +38,14 @@ boto3 = "^1.42.25"
 argparse = "^1.4.0"
 pre-commit = "^4.5.1"
 pytest = "^9.0.2"
-cfn-lint = "^1.43.2"
+cfn-lint = "^1.43.3"
 pyjwt = {extras = ["crypto"], version = "^2.10.1"}
 
 [tool.poetry.scripts]
 
 [tool.poetry.group.dev.dependencies]
 pre-commit = "^4.5.1"
-cfn-lint = "^1.43.2"
+cfn-lint = "^1.43.3"
 black = "^25.12.0"
 flake8 = "^7.3.0"
 jinja2 = "^3.1.5"