diff --git a/requirements.txt b/requirements.txt
index 6f7d7ad..12bdfc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ olefile==0.44
 pandocfilters==1.4.2
 pexpect==4.2.1
 pickleshare==0.7.4
-Pillow==4.2.1
+Pillow==8.3.2
 prompt-toolkit==1.0.15
 protobuf==3.4.0
 ptyprocess==0.5.2
diff --git a/requirements_gpu.txt b/requirements_gpu.txt
index 4329941..a1c8660 100644
--- a/requirements_gpu.txt
+++ b/requirements_gpu.txt
@@ -28,7 +28,7 @@ olefile==0.44
 pandocfilters==1.4.2
 pexpect==4.2.1
 pickleshare==0.7.4
-Pillow==4.2.1
+Pillow==8.3.2
 prompt-toolkit==1.0.15
 protobuf==3.4.0
 ptyprocess==0.5.2