diff --git a/doc/requirements.txt b/doc/requirements.txt
index 2a9f447..a8eeeba 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -14,7 +14,7 @@ Jinja2==3.1.2
 MarkupSafe==2.1.1
 networkx==2.6.0
 ninja==1.10.2.3
-numpy==1.22.4
+numpy==1.22.0
 packaging==21.3
 PennyLane==0.24.0
 PennyLane-Lightning==0.24.0