diff --git a/requirements.txt b/requirements.txt
index fb712cb6..0d7a99d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 pbr>=1.6 # Apache-2.0
 Flask<1.0,>=0.10 # BSD
 pymemcache >= 1.3.5 # Apache-2.0
-dogpile.cache>=0.5.7 # BSD
+dogpile.cache>=0.5.7,<0.6.0 # BSD
 subunit2sql>=1.6.0 # Apache-2.0
 SQLAlchemy<1.1.0,>=1.0.10 # MIT
 flask-jsonpify # MIT