diff --git a/requirements.txt b/requirements.txt
index 3b234f8..8e02d9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-envelope==2.0.2
+envelope==2.0.3
 pymssql==2.2.9
 python-magic-bin==0.4.14