diff --git a/requirements.txt b/requirements.txt
index ac223e5..c7773ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 pillow
-pyquery
+pyquery<1.4.2; python_version<="2.7"
+pyquery>=1.4.2; python_version>"2.7"