diff --git a/requirements.txt b/requirements.txt
index 44546852..97cf574f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ palettable==3.3.0
 pandas==1.2.2
 pathlib==1.0.1
 patsy==0.5.1
-Pillow==8.1.0
+Pillow==8.1.1
 plotnine==0.7.1
 pyMolNetEnhancer==0.1.9
 pyparsing==2.4.7