diff --git a/setup.py b/setup.py
index d69b08c1..a6dbc608 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
     test_suite="tests",
     python_requires='>=3.8',
     install_requires=[
-        "matchms>=0.24.0",
+        "matchms>=0.24.0,<=0.26.4",
         "numpy",
         "spec2vec>=0.6.0",
         "h5py",