diff --git a/pyproject.toml b/pyproject.toml
index 0c12cb5..56ccc66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ all_extras = [
     "grailts",
     "scikit-fda>=0.7.0; python_version > '3.9' and python_version < '3.13'",
     "statsmodels>=0.12.1",
-    "wildboar<=1.2.0",
+    "wildboar<=1.2.1",
 ]
 unstable_extras = [
     "mrsqm>=0.0.7; platform_system == 'Linux' and python_version < '3.12'",  # requires gcc and fftw to be installed for Windows and some other OS (see http://www.fftw.org/index.html)