diff --git a/tox-tmpl.ini b/tox-tmpl.ini
index c92ff7d..1bb97cc 100644
--- a/tox-tmpl.ini
+++ b/tox-tmpl.ini
@@ -12,7 +12,7 @@ basedeps=
     transaction
     pecan
     cloud_sptheme
-    Sphinx
+    Sphinx < 1.2.99
     Flask
 
 [axes]
@@ -204,7 +204,7 @@ commands=
 [testenv:doc]
 deps=
     cloud_sptheme
-    Sphinx
+    Sphinx < 1.2.99
 
 changedir=
     doc
diff --git a/tox.ini b/tox.ini
index d6a8771..9e50994 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ basedeps =
 	transaction
 	pecan
 	cloud_sptheme
-	Sphinx
+	Sphinx < 1.2.99
 	Flask
 
 [testenv]
@@ -121,7 +121,7 @@ commands =
 [testenv:doc]
 deps = 
 	cloud_sptheme
-	Sphinx
+	Sphinx < 1.2.99
 changedir = 
 	doc
 commands =