diff --git a/semantic-text-similarity/requirements.txt b/semantic-text-similarity/requirements.txt
index 64f36c7..051645c 100644
--- a/semantic-text-similarity/requirements.txt
+++ b/semantic-text-similarity/requirements.txt
@@ -148,7 +148,7 @@ patsy==0.5.1
 pep8==1.7.1
 pexpect==4.6.0
 pickleshare==0.7.5
-Pillow==5.3.0
+Pillow==8.3.2
 pkginfo==1.4.2
 plac==1.1.3
 pluggy==0.8.0