diff --git a/doc/requirements.txt b/doc/requirements.txt
index fe954a2..1718bb6 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -43,7 +43,7 @@ packaging==21.0
 pandas==1.3.5
 pennylane==0.28.0
 PennyLane-Lightning==0.28
-Pillow==9.1.1
+Pillow==9.3.0
 pluggy==1.0.0
 protobuf==3.15.0
 PubChemPy==1.0.4
diff --git a/requirements.txt b/requirements.txt
index af8b3ac..d1181e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ packaging==21.0
 pandas==1.3.3
 git+https://github.com/PennyLaneAI/pennylane.git@master
 PennyLane-Lightning==0.22.1
-Pillow==9.1.1
+Pillow==9.3.0
 pluggy==1.0.0
 protobuf==3.15.0
 PubChemPy==1.0.4