diff --git a/test-requirements.txt b/test-requirements.txt
index 1f3ffeb..eb2b05f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,5 +6,5 @@ sphinxcontrib-httpdomain>=1.3.0
 oslosphinx>=2.5.0
 testrepository>=0.0.18
 mongomock
-httpretty
+httpretty==0.8.3
 sphinx_rtd_theme