diff --git a/poetry.lock b/poetry.lock
index 5d95cdd54..1966be25a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2826,13 +2826,13 @@ ptyprocess = ">=0.5"
 
 [[package]]
 name = "phonenumbers"
-version = "8.13.38"
+version = "8.13.39"
 description = "Python version of Google's common library for parsing, formatting, storing and validating international phone numbers."
 optional = false
 python-versions = "*"
 files = [
-    {file = "phonenumbers-8.13.38-py2.py3-none-any.whl", hash = "sha256:d22aa747fb591ef2a18afec13cab5a0e294ab20fce5a1560e4949e459e70eeef"},
-    {file = "phonenumbers-8.13.38.tar.gz", hash = "sha256:2822c74ee9334e9d8ad792fc352cc8d21004307349b6b1bb61da12937fa2eaba"},
+    {file = "phonenumbers-8.13.39-py2.py3-none-any.whl", hash = "sha256:3ad2d086fa71e7eef409001b9195ac54bebb0c6e3e752209b558ca192c9229a0"},
+    {file = "phonenumbers-8.13.39.tar.gz", hash = "sha256:db7ca4970d206b2056231105300753b1a5b229f43416f8c2b3010e63fbb68d77"},
 ]
 
 [[package]]
@@ -4752,4 +4752,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.12.2"
-content-hash = "460acc2fefc9038bbbf2290afb1c657ea43018dd8abb626370044988d49744d6"
+content-hash = "122fe6459adad8b8105d12739e4db159ae39fc32e969d02c7c24436ed3fb85b1"
diff --git a/pyproject.toml b/pyproject.toml
index f9cf4ff6e..ff5d6a959 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ geojson = "^3.1.0"
 govuk-bank-holidays = "^0.14"
 numpy = "^1.26.4"
 ordered-set = "^4.1.0"
-phonenumbers = "^8.13.38"
+phonenumbers = "^8.13.39"
 python-json-logger = "^2.0.7"
 pytz = "^2024.1"
 regex = "^2024.5.15"