diff --git a/pyproject.toml b/pyproject.toml
index 1e295bf..abce202 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ classifiers = [
 ]
 dependencies = [
     'audeer',
-    'audmath >=1.2.1',
+    'audmath >=1.3.0',
     'numpy',
     'soundfile >=0.12.1',  # MP3 support with bundled libsndfile
 ]