diff --git a/requirements/tests.txt b/requirements/tests.txt
index 775874f..1b9319a 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -6,5 +6,5 @@ jinja2
 lxml
 BeautifulSoup
 unittest2
-coffin
+coffin<2.0.0
 jingo
diff --git a/tox.ini b/tox.ini
index 78d6039..3a8ca6d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ two =
     BeautifulSoup
     unittest2
     jingo
-    coffin
+    coffin<2.0.0
 three =
     flake8
     coverage
@@ -19,7 +19,7 @@ three =
     lxml
     BeautifulSoup4
     jingo
-    coffin
+    coffin<2.0.0
 three_two =
     flake8
     coverage
@@ -29,7 +29,7 @@ three_two =
     lxml
     BeautifulSoup4
     jingo
-    coffin
+    coffin<2.0.0
 
 [tox]
 envlist =