diff --git a/requirements/base.txt b/requirements/base.txt
index e3576688..515872e0 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -9,7 +9,7 @@ psycopg2==2.8.5
 python-dateutil==2.9.0.post0
 pytidylib==0.3.2
 vobject==0.9.7
-sorl-thumbnail==12.7.0
+sorl-thumbnail==12.11.0
 django-crispy-forms==1.9.1
 django-debug-toolbar==2.2.1
 django-cache-panel==0.1