diff --git a/poetry.lock b/poetry.lock
index a92dfb6..db47f55 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -84,18 +84,18 @@ uvloop = ["uvloop (>=0.15.2) ; sys_platform != \"win32\"", "winloop (>=0.5.0) ;
 
 [[package]]
 name = "boto3"
-version = "1.43.3"
+version = "1.43.4"
 description = "The AWS SDK for Python"
 optional = false
 python-versions = ">=3.10"
 groups = ["main"]
 files = [
-    {file = "boto3-1.43.3-py3-none-any.whl", hash = "sha256:fb9fe51849ef2a78198d582756fc06f14f7de27f73e0fa90275d6aa4171eb4d0"},
-    {file = "boto3-1.43.3.tar.gz", hash = "sha256:7c7777862ffc898f05efa566032bbabfe226dbb810e35ec11125817f128bc5c5"},
+    {file = "boto3-1.43.4-py3-none-any.whl", hash = "sha256:c4910b54c1f2401ab55d9fbca3d92df0a68e4ac64a69f2bab47a079e384a9d4f"},
+    {file = "boto3-1.43.4.tar.gz", hash = "sha256:00f40e9ca704c0f860b70ef47b042813c8d9a66b3d5e7bf81d578f79ae17dcd3"},
 ]
 
 [package.dependencies]
-botocore = ">=1.43.3,<1.44.0"
+botocore = ">=1.43.4,<1.44.0"
 jmespath = ">=0.7.1,<2.0.0"
 s3transfer = ">=0.17.0,<0.18.0"
 
@@ -2185,4 +2185,4 @@ pytest = []
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<=4.0"
-content-hash = "3b36cfe5847907bec6b09dc20af95f2d80a3fd516d1617ec18e0c7e511dd1c18"
+content-hash = "fe057b21a7ab9f37de15b3441d148e3d11b0af2dbdc77f5839992d64cb09b6d3"
diff --git a/pyproject.toml b/pyproject.toml
index b9c71f4..9be2bb3 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 = ">=3.10,<=4.0"
-boto3 = "^1.43.3"
+boto3 = "^1.43.4"
 boto3-stubs = { extras = [
     "s3",
     "ssm",