diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 2b9ed50..7b34854
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 Click==7.0
 Django==2.1.6
 django-haystack==2.8.1
-djangorestframework==3.9.2
+djangorestframework==3.11.2
 drf-haystack==1.8.4
 elasticsearch==2.4.1
 idna==2.8