diff --git a/tox.ini b/tox.ini
index 7f51209..b85e8ee 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,9 @@ isolated_build = true
 changedir = .tmp/{envname}
 deps =
     sphinx24: sphinx==2.4.*
+    sphinx24: Jinja2==3.0.3
     sphinx35: sphinx==3.5.*
+    sphinx35: Jinja2==3.0.3
     sphinx40: sphinx==4.0.*
     sphinx41: sphinx==4.1.*
     sphinx42: sphinx==4.2.*