diff --git a/requirements.txt b/requirements.txt
index 4ae8a34..e73d094 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Babel==2.9.0
 backcall==0.1.0
 beautifulsoup4==4.8.2
 biopython==1.78
-bleach==3.1.1
+bleach==3.3.0
 blinker==1.4
 Brlapi==0.7.0
 Brotli==1.0.9