diff --git a/opm/requirements.txt b/opm/requirements.txt
index 3b5b176..602d179 100644
--- a/opm/requirements.txt
+++ b/opm/requirements.txt
@@ -42,7 +42,7 @@ gTTS==2.2.1
 gTTS-token==1.1.4
 html2text==2019.9.26
 #httplib2==0.15.0
-idna==2.8
+idna==3.7
 IMAPClient==2.1.0
 importlib-metadata==1.3.0
 ipython==8.10.0