diff --git a/test-requirements.txt b/test-requirements.txt
index 0f06d18a..1e871d2f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
-hacking
+hacking < 4.0.1
 bashate >= 0.2
 PyYAML >= 3.1.0
 yamllint >= 0.5.2