diff --git a/requirements.txt b/requirements.txt
index 7fd534be..d1e16461 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@ oslo.serialization>=1.4.0,<1.5.0               # Apache-2.0
 oslo.utils>=1.4.0,<1.5.0                       # Apache-2.0
 
 # not listed in global requirements
-yaql>=0.2.3,<0.3
+yaql>=0.2.6,<0.3