diff --git a/tox.ini b/tox.ini
index c83696c60..3b10e905e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -168,7 +168,7 @@ deps =
     pep8-naming==0.3.3
     pydocstyle==1.0.0
     pyflakes==1.2.2
-    pyparsing==2.1.2
+    pyparsing==2.1.1  # rq.filter: != 2.1.2
     six==1.10.0
     sortedcontainers==1.4.4
     venusian==1.0