diff --git a/requirements.txt b/requirements.txt
index 82fc945..a113a04 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ pandocfilters==1.4.3
 parso==0.7.1
 pexpect==4.8.0
 pickleshare==0.7.5
-Pillow==9.0.0
+Pillow==8.0.1
 prometheus-client==0.9.0
 prompt-toolkit==3.0.8
 ptyprocess==0.6.0
@@ -61,7 +61,7 @@ testpath==0.4.4
 toml==0.10.2
 tornado==6.1
 traitlets==5.0.5
-urllib3==1.26.2
+urllib3==1.26.5
 wcwidth==0.2.5
 webencodings==0.5.1
 wrapt==1.12.1