diff --git a/requirements.txt b/requirements.txt
index 7590b73..f348491 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ kiwisolver==1.0.1
 matplotlib==2.2.3
 networkx==2.1
 numpy==1.15.1
-Pillow==5.2.0
+Pillow==9.0.1
 pkg-resources==0.0.0
 protobuf==3.6.1
 pyparsing==2.2.0
diff --git a/requirements_with_extras.txt b/requirements_with_extras.txt
index 474f45f..c9d1023 100644
--- a/requirements_with_extras.txt
+++ b/requirements_with_extras.txt
@@ -19,7 +19,7 @@ numpy==1.14.5
 parso==0.3.1
 pexpect==4.6.0
 pickleshare==0.7.4
-Pillow==5.2.0
+Pillow==9.0.1
 pkg-resources==0.0.0
 prompt-toolkit==1.0.15
 protobuf==3.6.0