diff --git a/poetry.lock b/poetry.lock
index ad8764cfc..21064bf51 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -171,17 +171,17 @@ files = [
 
 [[package]]
 name = "boto3"
-version = "1.34.79"
+version = "1.34.83"
 description = "The AWS SDK for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "boto3-1.34.79-py3-none-any.whl", hash = "sha256:265b0b4865e8c07e27abb32a31d2bd9129bb009b1d89ca0783776ec084886123"},
-    {file = "boto3-1.34.79.tar.gz", hash = "sha256:139dd2d94eaa0e3213ff37ba7cf4cb2e3823269178fe8f3e33c965f680a9ddde"},
+    {file = "boto3-1.34.83-py3-none-any.whl", hash = "sha256:33cf93f6de5176f1188c923f4de1ae149ed723b89ed12e434f2b2f628491769e"},
+    {file = "boto3-1.34.83.tar.gz", hash = "sha256:9733ce811bd82feab506ad9309e375a79cabe8c6149061971c17754ce8997551"},
 ]
 
 [package.dependencies]
-botocore = ">=1.34.79,<1.35.0"
+botocore = ">=1.34.83,<1.35.0"
 jmespath = ">=0.7.1,<2.0.0"
 s3transfer = ">=0.10.0,<0.11.0"
 
@@ -190,13 +190,13 @@ crt = ["botocore[crt] (>=1.21.0,<2.0a0)"]
 
 [[package]]
 name = "botocore"
-version = "1.34.79"
+version = "1.34.83"
 description = "Low-level, data-driven core of boto 3."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "botocore-1.34.79-py3-none-any.whl", hash = "sha256:a42a014d3dbaa9ef123810592af69f9e55b456c5be3ac9efc037325685519e83"},
-    {file = "botocore-1.34.79.tar.gz", hash = "sha256:6b59b0f7de219d383a2a633f6718c2600642ebcb707749dc6c67a6a436474b7a"},
+    {file = "botocore-1.34.83-py3-none-any.whl", hash = "sha256:0a3fbbe018416aeefa8978454fb0b8129adbaf556647b72269bf02e4bf1f4161"},
+    {file = "botocore-1.34.83.tar.gz", hash = "sha256:0f302aa76283d4df62b4fbb6d3d20115c1a8957fc02171257fc93904d69d5636"},
 ]
 
 [package.dependencies]
@@ -1080,13 +1080,13 @@ license = ["ukkonen"]
 
 [[package]]
 name = "idna"
-version = "3.6"
+version = "3.7"
 description = "Internationalized Domain Names in Applications (IDNA)"
 optional = false
 python-versions = ">=3.5"
 files = [
-    {file = "idna-3.6-py3-none-any.whl", hash = "sha256:c05567e9c24a6b9faaa835c4821bad0590fbb9d5779e7caa6e1cc4978e7eb24f"},
-    {file = "idna-3.6.tar.gz", hash = "sha256:9ecdbbd083b06798ae1e86adcbfe8ab1479cf864e4ee30fe4e46a003d12491ca"},
+    {file = "idna-3.7-py3-none-any.whl", hash = "sha256:82fee1fc78add43492d3a1898bfa6d8a904cc97d8427f683ed8e798d07761aa0"},
+    {file = "idna-3.7.tar.gz", hash = "sha256:028ff3aadf0609c1fd278d8ea3089299412a7a8b9bd005dd08b9f8285bcb5cfc"},
 ]
 
 [[package]]
@@ -1603,7 +1603,7 @@ requests = ">=2.0.0"
 
 [[package]]
 name = "notifications-utils"
-version = "0.4.5"
+version = "0.4.6"
 description = ""
 optional = false
 python-versions = "^3.12.2"
@@ -1614,8 +1614,8 @@ develop = false
 async-timeout = "^4.0.2"
 bleach = "^6.1.0"
 blinker = "^1.6.2"
-boto3 = "^1.34.77"
-botocore = "^1.34.79"
+boto3 = "^1.34.83"
+botocore = "^1.34.83"
 cachetools = "^5.3.0"
 certifi = "^2024.2.2"
 cffi = "^1.16.0"
@@ -1626,7 +1626,7 @@ flask = "^2.3.2"
 flask-redis = "^0.4.0"
 geojson = "^3.0.1"
 govuk-bank-holidays = "^0.14"
-idna = "^3.6"
+idna = "^3.7"
 itsdangerous = "^2.1.2"
 jinja2 = "^3.1.3"
 jmespath = "^1.0.1"
@@ -1655,7 +1655,7 @@ werkzeug = "^3.0.1"
 type = "git"
 url = "https://github.com/GSA/notifications-utils.git"
 reference = "HEAD"
-resolved_reference = "7d1d2e9bb3791316231e97433c71da6a70c4d2ab"
+resolved_reference = "d0db6073406bd160d2007edb9d00e41c9d5d44b7"
 
 [[package]]
 name = "numpy"
diff --git a/tests/app/main/forms/test_placeholder_form.py b/tests/app/main/forms/test_placeholder_form.py
index 40a12ae56..01075472f 100644
--- a/tests/app/main/forms/test_placeholder_form.py
+++ b/tests/app/main/forms/test_placeholder_form.py
@@ -48,7 +48,6 @@ def test_form_class_not_mutated(notify_admin):
         (False, "phone number", "sms", "2028675309", None),
         (False, "phone number", "sms", "+1 (202) 867-5309", None),
         (True, "phone number", "sms", "+123", "Not enough digits"),
-        (True, "phone number", "sms", "+44(0)7900 900-123", None),
         (True, "phone number", "sms", "+1-2345-678890", None),
         (False, "anything else", "sms", "", "Cannot be empty"),
         (False, "anything else", "email", "", "Cannot be empty"),
diff --git a/tests/app/main/views/test_dashboard.py b/tests/app/main/views/test_dashboard.py
index 4c86fb328..c4326ef89 100644
--- a/tests/app/main/views/test_dashboard.py
+++ b/tests/app/main/views/test_dashboard.py
@@ -354,10 +354,9 @@ def test_inbound_messages_shows_count_of_messages_when_there_are_no_messages(
             "(202) 867-5300 message-2 1 hour ago",
             "(202) 867-5300 message-3 1 hour ago",
             "(202) 867-5302 message-4 3 hours ago",
-            "+33 1 12 34 56 78 message-5 5 hours ago",
+            "+33(0)1 12345678 message-5 5 hours ago",
             "(202) 555-0104 message-6 7 hours ago",
             "(202) 555-0104 message-7 9 hours ago",
-            "+682 12345 message-8 9 hours ago",
         ]
     ),
 )
@@ -519,10 +518,10 @@ def test_download_inbox(
         "(202) 867-5300,message-2,07-01-2016 10:59 US/Eastern\r\n"
         "(202) 867-5300,message-3,07-01-2016 10:59 US/Eastern\r\n"
         "(202) 867-5302,message-4,07-01-2016 08:59 US/Eastern\r\n"
-        "+33 1 12 34 56 78,message-5,07-01-2016 06:59 US/Eastern\r\n"
+        "+33(0)1 12345678,message-5,07-01-2016 06:59 US/Eastern\r\n"
         "(202) 555-0104,message-6,07-01-2016 04:59 US/Eastern\r\n"
         "(202) 555-0104,message-7,07-01-2016 02:59 US/Eastern\r\n"
-        "+682 12345,message-8,07-01-2016 02:59 US/Eastern\r\n"
+        "+68212345,message-8,07-01-2016 02:59 US/Eastern\r\n"
     )