diff --git a/requirements/dev.txt b/requirements/dev.txt
index 129786f2a654..bae86e778ca2 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -71,9 +71,9 @@ mdurl==0.1.2 \
     --hash=sha256:84008a41e51615a49fc9966191ff91509e3c40b939176e643fd50a5c2196b8f8 \
     --hash=sha256:bb413d29f5eea38f31dd4754dd7377d4465116fb207585f97bf925588687c1ba
 # cssselect is required by pyquery
-cssselect==1.3.0 \
-    --hash=sha256:56d1bf3e198080cc1667e137bc51de9cadfca259f03c2d4e09037b3e01e30f0d \
-    --hash=sha256:57f8a99424cfab289a1b6a816a43075a4b00948c86b4dcf3ef4ee7e15f7ab0c7
+cssselect==1.4.0 \
+    --hash=sha256:c0ec5c0191c8ee39fcc8afc1540331d8b55b0183478c50e9c8a79d44dbceb1d8 \
+    --hash=sha256:fdaf0a1425e17dfe8c5cf66191d211b357cf7872ae8afc4c6762ddd8ac47fc92
 pyquery==2.0.1 \
     --hash=sha256:0194bb2706b12d037db12c51928fe9ebb36b72d9e719565daba5a6c595322faf \
     --hash=sha256:aedfa0bd0eb9afc94b3ddbec8f375a6362b32bc9662f46e3e0d866483f4771b0