diff --git a/testsuite/requirements-legacy.txt b/testsuite/requirements-legacy.txt
index 2d4961ac1d..0621fcc7dd 100644
--- a/testsuite/requirements-legacy.txt
+++ b/testsuite/requirements-legacy.txt
@@ -1,6 +1,7 @@
 lxml<3.4
 nose
 mock<1.1
+Jinja2<2.7
 sphinx<1.2b
 logilab-common<0.57
 logilab-astng<0.21