diff --git a/tox.ini b/tox.ini
index 59d5a88..d02c6b8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ deps =
     flask100: flask>=1.0,<1.1
     -rrequirements-testing.txt
     ci: -rrequirements-ev.txt
-    ci: psycopg2
+    ci: psycopg2<2.8
     ci: python-openid
     ci: python-openid-teams
     ci: python-openid-cla