diff --git a/schools/requirements.txt b/schools/requirements.txt
index e924c289..ba24d311 100644
--- a/schools/requirements.txt
+++ b/schools/requirements.txt
@@ -6,7 +6,7 @@ certifi==2020.12.5
 cffi==1.14.4
 chardet==3.0.4
 constantly==15.1.0
-cryptography==3.3.2
+cryptography==39.0.1
 cssselect==1.1.0
 docx2txt==0.8
 EbookLib==0.17.1