diff --git a/requirements.in b/requirements.in
index 26a631ceea1..ada1f3fe928 100644
--- a/requirements.in
+++ b/requirements.in
@@ -16,7 +16,7 @@ Pairtree==0.7.1-T
 paste==1.7.5.1
 passlib==1.6.2
 psycopg2==2.4.5
-pysolr==3.3.0
+pysolr==3.4.0
 python-dateutil>=1.5.0,<2.0.0
 pyutilib.component.core==4.5.3
 repoze.who-friendlyform==1.0.8