diff --git a/requirements.txt b/requirements.txt
index edededb..33d6a71 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 argh==0.26.2
 chardet==3.0.4
 future==0.17.1
-idna==2.8
+idna==3.7
 macholib==1.11
 pathtools==0.1.2
 pefile==2018.8.8