diff --git a/requirements/test.txt b/requirements/test.txt
index bcf40691..42d167a6 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -1,6 +1,6 @@
 scikit-learn>=0.18.0
 pandas>=0.23.0
-Pillow==3.0.0
+Pillow==9.3.0
 
 -r main.txt
 
diff --git a/requirements/travis.txt b/requirements/travis.txt
index 69abd128..14bbabea 100644
--- a/requirements/travis.txt
+++ b/requirements/travis.txt
@@ -1,7 +1,7 @@
 # Main
 # Install numpy, scipy, tensorflow from conda
 matplotlib==1.5.1
-Pillow==3.0.0
+Pillow==9.3.0
 graphviz==0.5.1
 
 progressbar2==3.34.3