diff --git a/pyproject.toml b/pyproject.toml
index 73b36c5..f5d7b0a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ classifiers = [
 requires-python = '>=3.10'
 dependencies = [
     'audeer >=2.1.1',
-    'audformat >=1.0.1,<2.0.0',
+    'audformat >=1.4.2,<2.0.0',
     'audiofile >=1.3.0',
     'audmath >=1.4.1',
     'audresample >=1.1.0,<2.0.0',