diff --git a/tox.ini b/tox.ini
index 6998106..90678d6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,6 +7,7 @@ envlist=
     py{35,36,37}-django21
     py{35,36,37}-django22
     py{36,37,38}-django30
+    py{36,37,38}-django31
 
 [testenv]
 passenv=EMAIL_IMAP_SERVER EMAIL_ACCOUNT EMAIL_PASSWORD EMAIL_SMTP_SERVER
@@ -15,7 +16,8 @@ deps=
     django20: django==2.0.*
     django21: django==2.0.*
     django22: django==2.0.*
-    django30: django==3.0b1
+    django30: django==3.0.*
+    django31: django==3.1.*
     -r{toxinidir}/test_requirements.txt
 sitepackages=False
 commands=