diff --git a/poetry.lock b/poetry.lock
index c2e77ba37..0f15d39be 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.5.0 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.5 and should not be changed by hand.
 
 [[package]]
 name = "alabaster"
@@ -1014,12 +1014,12 @@ files = [
 
 [[package]]
 name = "notifications-python-client"
-version = "9.1.0"
+version = "10.0.1"
 description = "Python API client for GOV.UK Notify."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "notifications_python_client-9.1.0-py3-none-any.whl", hash = "sha256:43b8f738dfa81ae3aa656d91e361dbc51316194f8b9a430706b03347fa7a01bc"},
+    {file = "notifications_python_client-10.0.1-py3-none-any.whl", hash = "sha256:00d88eacb6fd6eb0467d7396a7e23677194cfebe0ebd88de2efa031fb51eb23f"},
 ]
 
 [package.dependencies]
@@ -2019,4 +2019,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "49d24790a095368fd6caa9205ce61b24a5eb8461842beedf32fd79a7f420a59a"
+content-hash = "76907f3b29b92d5e48e66c44d540b4cef8e2b74df5a6e723a7a6274d073c2ae9"
diff --git a/pyproject.toml b/pyproject.toml
index 3cf9f551b..e68df7c32 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ pre-commit = "^3.5.0"
 pytest-rerunfailures = "^14.0"
 sphinx = "7.1.2"
 sphinx-markdown-builder = "^0.6.7"
-notifications-python-client = "^9.0.0"
+notifications-python-client = "^10.0.1"
 polling = "^0.3.2"
 playwright = "^1.48.0"
 install_playwright = "^0.1.0"