diff --git a/poetry.lock b/poetry.lock
index 1583a713..02516d51 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.4 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.1.1 and should not be changed by hand.
 
 [[package]]
 name = "aiohappyeyeballs"
@@ -1589,8 +1589,11 @@ files = [
     {file = "lxml-5.4.0-cp36-cp36m-win_amd64.whl", hash = "sha256:7ce1a171ec325192c6a636b64c94418e71a1964f56d002cc28122fceff0b6121"},
     {file = "lxml-5.4.0-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:795f61bcaf8770e1b37eec24edf9771b307df3af74d1d6f27d812e15a9ff3872"},
     {file = "lxml-5.4.0-cp37-cp37m-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:29f451a4b614a7b5b6c2e043d7b64a15bd8304d7e767055e8ab68387a8cacf4e"},
+    {file = "lxml-5.4.0-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:891f7f991a68d20c75cb13c5c9142b2a3f9eb161f1f12a9489c82172d1f133c0"},
     {file = "lxml-5.4.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:4aa412a82e460571fad592d0f93ce9935a20090029ba08eca05c614f99b0cc92"},
+    {file = "lxml-5.4.0-cp37-cp37m-manylinux_2_28_aarch64.whl", hash = "sha256:ac7ba71f9561cd7d7b55e1ea5511543c0282e2b6450f122672a2694621d63b7e"},
     {file = "lxml-5.4.0-cp37-cp37m-manylinux_2_28_x86_64.whl", hash = "sha256:c5d32f5284012deaccd37da1e2cd42f081feaa76981f0eaa474351b68df813c5"},
+    {file = "lxml-5.4.0-cp37-cp37m-musllinux_1_2_aarch64.whl", hash = "sha256:ce31158630a6ac85bddd6b830cffd46085ff90498b397bd0a259f59d27a12188"},
     {file = "lxml-5.4.0-cp37-cp37m-musllinux_1_2_x86_64.whl", hash = "sha256:31e63621e073e04697c1b2d23fcb89991790eef370ec37ce4d5d469f40924ed6"},
     {file = "lxml-5.4.0-cp37-cp37m-win32.whl", hash = "sha256:be2ba4c3c5b7900246a8f866580700ef0d538f2ca32535e991027bdaba944063"},
     {file = "lxml-5.4.0-cp37-cp37m-win_amd64.whl", hash = "sha256:09846782b1ef650b321484ad429217f5154da4d6e786636c38e434fa32e94e49"},
@@ -2729,14 +2732,14 @@ pytest = ">=3.6"
 
 [[package]]
 name = "pytest-nhsd-apim"
-version = "5.0.0"
+version = "5.0.3"
 description = "Pytest plugin accessing NHSDigital's APIM proxies"
 optional = false
 python-versions = "<4.0,>=3.8"
 groups = ["dev"]
 files = [
-    {file = "pytest_nhsd_apim-5.0.0-py3-none-any.whl", hash = "sha256:ef79d99221e403e2198c3f206655f85ff59a9111549b03367f39b1cfe444828d"},
-    {file = "pytest_nhsd_apim-5.0.0.tar.gz", hash = "sha256:7107b78ac0162727dccb8f51ca19ee339d86cdbcb97ae1948ff19e840d2ad932"},
+    {file = "pytest_nhsd_apim-5.0.3-py3-none-any.whl", hash = "sha256:1aa230a207fec792ae77959fdb0e0950daa9608a099e0033d00d164c7e18862f"},
+    {file = "pytest_nhsd_apim-5.0.3.tar.gz", hash = "sha256:9fe29e2088194da994b1a506ebf5d0883030ec04fc7423e13f254667654b444e"},
 ]
 
 [package.dependencies]
@@ -3686,4 +3689,4 @@ propcache = ">=0.2.1"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.13"
-content-hash = "6b826e7f7b6d925e334ea383b2911c983d415c6d1327bac73b0debb004467e73"
+content-hash = "deacf359e95b22eeff4fd85d80b16f0f21ee3591920456620d373104ca518c77"
diff --git a/pyproject.toml b/pyproject.toml
index 39754a25..ede58e0a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ gitpython = "^3.1.45"
 pytest = "^8.4.1"
 pytest-asyncio = "^1.1.0"
 pytest-cov = "^6.0.0"
-pytest-nhsd-apim = "^5.0.0"
+pytest-nhsd-apim = "^5.0.3"
 aiohttp = "^3.12.15"
 awscli = "^1.37.24"
 awscli-local = "^0.22.0"