diff --git a/requirement.txt b/requirement.txt
index 0c9177f..f729fa7 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -33,7 +33,7 @@ conda==4.6.7
 conda-build==3.17.6
 conda-verify==3.1.1
 contextlib2==0.5.5
-cryptography==2.4.2
+cryptography==3.2
 cycler==0.10.0
 Cython==0.29.2
 cytoolz==0.9.0.1