diff --git a/pip-requirements.txt b/pip-requirements.txt
index d543dbb..974069e 100644
--- a/pip-requirements.txt
+++ b/pip-requirements.txt
@@ -4,5 +4,5 @@ Shapely>=1.2.13
 OWSLib==0.8.6
 lxml>=2.3
 argparse
-pyparsing==1.5.6
+pyparsing>=2.1.10
 requests>=1.1.0