diff --git a/poetry.lock b/poetry.lock
index 986ec58..1413738 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -88,17 +88,17 @@ uvloop = ["uvloop (>=0.15.2)"]
 
 [[package]]
 name = "boto3"
-version = "1.35.29"
+version = "1.35.53"
 description = "The AWS SDK for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "boto3-1.35.29-py3-none-any.whl", hash = "sha256:2244044cdfa8ac345d7400536dc15a4824835e7ec5c55bc267e118af66bb27db"},
-    {file = "boto3-1.35.29.tar.gz", hash = "sha256:7bbb1ee649e09e956952285782cfdebd7e81fc78384f48dfab3d66c6eaf3f63f"},
+    {file = "boto3-1.35.53-py3-none-any.whl", hash = "sha256:a9c0955df0b52b43749d81bde159343a40ea2a3537a46049336fe8193871b18e"},
+    {file = "boto3-1.35.53.tar.gz", hash = "sha256:f4124548bb831e13504e805f2fbbfcee06df42fffea0655862c6eb9b95d6d1be"},
 ]
 
 [package.dependencies]
-botocore = ">=1.35.29,<1.36.0"
+botocore = ">=1.35.53,<1.36.0"
 jmespath = ">=0.7.1,<2.0.0"
 s3transfer = ">=0.10.0,<0.11.0"
 
@@ -529,13 +529,13 @@ xray = ["mypy-boto3-xray (>=1.35.0,<1.36.0)"]
 
 [[package]]
 name = "botocore"
-version = "1.35.29"
+version = "1.35.53"
 description = "Low-level, data-driven core of boto 3."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "botocore-1.35.29-py3-none-any.whl", hash = "sha256:f8e3ae0d84214eff3fb69cb4dc51cea6c43d3bde82027a94d00c52b941d6c3d5"},
-    {file = "botocore-1.35.29.tar.gz", hash = "sha256:4ed28ab03675bb008a290c452c5ddd7aaa5d4e3fa1912aadbdf93057ee84362b"},
+    {file = "botocore-1.35.53-py3-none-any.whl", hash = "sha256:12869640f2f9fab3152ea312a6906d5bc6ae15522cc74b6367ee1c273269a28b"},
+    {file = "botocore-1.35.53.tar.gz", hash = "sha256:e610ae076ad1eaed5680d3990493659bbabdffd67b15c61d8373a23e4bc41062"},
 ]
 
 [package.dependencies]
@@ -547,7 +547,7 @@ urllib3 = [
 ]
 
 [package.extras]
-crt = ["awscrt (==0.21.5)"]
+crt = ["awscrt (==0.22.0)"]
 
 [[package]]
 name = "botocore-stubs"
@@ -1671,4 +1671,4 @@ pytest = []
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4.0"
-content-hash = "511b95133a864e41ce9f900972af5e6cfc59ae1215ec3157150094c52922ce04"
+content-hash = "6e5f9bd7eb4d475646a76f58c9edcf04b8d40446b6600ca8c628066a2aec7610"
diff --git a/pyproject.toml b/pyproject.toml
index d55f1bf..ce31aa5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ repository = "https://github.com/NHSDigital/nhs-aws-helpers"
 [tool.poetry.dependencies]
 # core dependencies
 python = ">=3.8,<4.0"
-boto3 = "^1.35.29"
+boto3 = "^1.35.53"
 boto3-stubs = {extras = ["s3", "ssm", "secretsmanager", "dynamodb", "stepfunctions", "sqs", "lambda", "logs", "ses", "sns", "events", "kms", "firehose", "athena"], version = "^1.35.29"}
 botocore-stubs = "^1.35.30"