diff --git a/pyproject.toml b/pyproject.toml
index e48fce0b..bc085c47 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ requires-python = '>=3.10'
 # is installed:
 dependencies = [
     'Jinja2==3.1.4',               # to generate LaTeX and Markdown files
-    'phonenumbers==8.13.42',       # to validate phone numbers
+    'phonenumbers==8.13.43',       # to validate phone numbers
     'email-validator==2.2.0',      # to validate email addresses
     'pydantic==2.8.2',             # to validate and parse the input file
     'pydantic-extra-types==2.9.0', # to validate some extra types