diff --git a/requirements.txt b/requirements.txt
index d2d5ff7..6db66b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-cryptography=3.3.2
+cryptography==3.3.2
 napalm>=3.0.0,<4.0
 lxml==4.6.3
 pan-python