diff --git a/requirements.txt b/requirements.txt
index 12a8d2454c85a721df1abb2aabb0fdaf08b0546c..0731cd3f365e485bbc56d69efb1a2950d75934f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 matplotlib==3.4.2
 numpy==1.21.0
 pandas==1.2.5
-PyYAML==5.4.1
 scipy==1.7.0