diff --git a/pyproject.toml b/pyproject.toml
index 9f65783..179ed39 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,8 +54,9 @@ all_extras = [
     "stumpy>=1.6.0",
     "wildboar>=1.1.0",
 
-    # temporary for stumpy
-    "setuptools",
+    # temp
+    "fdasrsf<=2.5.2",  # temporary, currently above this breaks on some OS
+    "setuptools", # temporary for stumpy
 ]
 unstable_extras = [
     "mrsqm>=0.0.1 ; platform_system == 'Darwin' 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)