diff --git a/requirements.txt b/requirements.txt
index a3ac9be..581bf18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ numpy~=1.24.2
 ipympl~=0.8.8
 scipy~=1.10.1 
 voila-osscar-template~=0.3.2
-Cython~=0.29.33
+Cython~=0.29.34
 sympy~=1.11.1
 ase~=3.22.1
 seekpath~=2.0.1