diff --git a/requirements.txt b/requirements.txt
index a0a97d0..620b999 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 matplotlib==3.1.2
-numpy==1.13.3
+numpy==1.22.0
 lmfit==0.9.11
\ No newline at end of file