diff --git a/pyproject.toml b/pyproject.toml
index b56edbde3..5c80cacf2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ dependencies = [
   "django-ninja>=1.5.3",
   "ninja-put-patch-file-upload-middleware>=0.1.4",
   "pillow>=12.1.0",
-  "phonenumbers>=9.0.22",
+  "phonenumbers>=9.0.28",
   "websockets>=16.0",
   "inflect>=7.5.0",
   "jsonschema>=4.26.0",
diff --git a/uv.lock b/uv.lock
index a8b959ad2..5e7ae3abf 100644
--- a/uv.lock
+++ b/uv.lock
@@ -858,8 +858,8 @@ dependencies = [
     { name = "mesh-client" },
     { name = "nhsuk-frontend-jinja" },
     { name = "ninja-put-patch-file-upload-middleware" },
-    { name = "opentelemetry-instrumentation-jinja2" },
     { name = "openfeature-sdk" },
+    { name = "opentelemetry-instrumentation-jinja2" },
     { name = "pandas" },
     { name = "phonenumbers" },
     { name = "pillow" },
@@ -916,10 +916,10 @@ requires-dist = [
     { name = "mesh-client", specifier = ">=3.2.3,<6.0.0" },
     { name = "nhsuk-frontend-jinja", specifier = "==0.7.2" },
     { name = "ninja-put-patch-file-upload-middleware", specifier = ">=0.1.4" },
-    { name = "opentelemetry-instrumentation-jinja2", specifier = ">=0.61b0" },
     { name = "openfeature-sdk", specifier = ">=0.8.4,<0.9.0" },
+    { name = "opentelemetry-instrumentation-jinja2", specifier = ">=0.61b0" },
     { name = "pandas", specifier = ">=2.3.0,<4.0.0" },
-    { name = "phonenumbers", specifier = ">=9.0.22" },
+    { name = "phonenumbers", specifier = ">=9.0.28" },
     { name = "pillow", specifier = ">=12.1.0" },
     { name = "psycopg", extras = ["binary"], specifier = ">=3.3.3,<4.0.0" },
     { name = "pydicom", specifier = ">=3.0.1" },
@@ -1456,11 +1456,11 @@ wheels = [
 
 [[package]]
 name = "phonenumbers"
-version = "9.0.27"
+version = "9.0.28"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/e3/d7/8e743354071ab0d6e265370b47a8b0ecc70f35f4e225eb74eecab141aa9f/phonenumbers-9.0.27.tar.gz", hash = "sha256:f99f533cfb052546d181f6dbd981bfbdd6a1527784585482173ff95ae6d1602e", size = 2298619, upload-time = "2026-04-01T11:13:15.535Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/db/72/97fd1961e3d6f8323b1396669c346557a8581874e2c2a478a83dc5d616e7/phonenumbers-9.0.28.tar.gz", hash = "sha256:f1d810aaa43fbf3a5cb1ee54733218f8333a2a92c85c4d579a810403d6260a8c", size = 2298779, upload-time = "2026-04-13T14:19:50.741Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/d2/40/c6948bbeceb18c45472d4011b705bd3ca4f29b055373eb4733ddc1a85d8b/phonenumbers-9.0.27-py2.py3-none-any.whl", hash = "sha256:a7ba9f362e2fe8e2d6756e415cf44f4c8f0c33b40ba07b27a8450909021d7e37", size = 2585047, upload-time = "2026-04-01T11:13:12.575Z" },
+    { url = "https://files.pythonhosted.org/packages/68/bd/5e55cea252bf21402a2d5f2479edd7e24a4c9ebbe59f197080d0d4cd9093/phonenumbers-9.0.28-py2.py3-none-any.whl", hash = "sha256:ee8caabab4fd554efb6119e7b95cb69da40e0f04050611730eed839d93f39920", size = 2585077, upload-time = "2026-04-13T14:16:09.853Z" },
 ]
 
 [[package]]