diff --git a/requirements.txt b/requirements.txt
index 876317c..e419004 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
 ase>=3.17
-numpy>=1.14
+numpy==1.26.4
 networkx>=2.1
 spglib>=1.10
 scipy>=0.1
-sklearn
+scikit-learn
 matplotlib>=2.2
 future>=0.16
 fireworks>=1.7