diff --git a/examples/cookbook-plain/requirements.txt b/examples/cookbook-plain/requirements.txt
index 539fd67..2154fd8 100644
--- a/examples/cookbook-plain/requirements.txt
+++ b/examples/cookbook-plain/requirements.txt
@@ -1,4 +1,4 @@
 graphene
 graphene-django
 graphql-core>=2.1rc1
-django==2.1.2
+django==2.1.6
diff --git a/examples/cookbook/requirements.txt b/examples/cookbook/requirements.txt
index b2ace1f..3fed30f1 100644
--- a/examples/cookbook/requirements.txt
+++ b/examples/cookbook/requirements.txt
@@ -1,5 +1,5 @@
 graphene
 graphene-django
 graphql-core>=2.1rc1
-django==1.9
+django==1.11.19
 django-filter>=2