diff --git a/base/requirements.txt b/base/requirements.txt
index 97f050776216516a473d97ecb5ff30c57fe828ab..07e441df5ae2db7c8c441ca114489cbe654df786 100644
--- a/base/requirements.txt
+++ b/base/requirements.txt
@@ -1,5 +1,5 @@
 boto3==1.9
-cryptography>=2.7
+cryptography==2.7
 Django==2.2
 elasticsearch==6.2.0
 hiredis==1.0.0