diff --git a/committee/models.py b/committee/models.py
index 6f9e746..0becbea 100644
--- a/committee/models.py
+++ b/committee/models.py
@@ -5,7 +5,7 @@ from django.db import models
 
 class Committee(models.Model):
     name = models.CharField(max_length=100, unique=True)
-    chair = models.ForeignKey(User, null=True)
+    chair = models.ForeignKey(User, null=True, on_delete=models.CASCADE)
 
     def __str__(self):
         return self.name
diff --git a/committee/urls.py b/committee/urls.py
index 10e5939..d5cf7ce 100644
--- a/committee/urls.py
+++ b/committee/urls.py
@@ -1,11 +1,11 @@
-from django.conf.urls import url
+from django.urls import path
 
 from committee import views
 
 urlpatterns = [
-    url(r'^$', views.edit, name='edit'),
-    url(r'^update/(?P<committee>\d+)/$', views.update, name='update'),
-    url(r'^fincom/$', views.add_to_fincom, name='add_to_fincom'),
-    url(r'^fincom/delete$', views.remove_fincom, name='remove_fincom'),
-    url(r'^new$', views.new_committee, name='new_committee'),
+    path('', views.edit, name='edit'),
+    path('update/<int:committee>/', views.update, name='update'),
+    path('fincom/', views.add_to_fincom, name='add_to_fincom'),
+    path('fincom/delete', views.remove_fincom, name='remove_fincom'),
+    path('new', views.new_committee, name='new_committee'),
 ]
diff --git a/fincom/urls.py b/fincom/urls.py
index b2684ce..0121290 100644
--- a/fincom/urls.py
+++ b/fincom/urls.py
@@ -13,16 +13,16 @@ Including another URLconf
     1. Import the include() function: from django.conf.urls import url, include
     2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
 """
-from django.conf.urls import include, url
+from django.urls import include, path
 from django.contrib import admin
 
 from fincom import views
 
 urlpatterns = [
-    url(r'^$', views.index, name='index'),
-    url(r'^logout$', views.user_logout, name='logout'),
-    url(r'^items/', include('items.urls')),
-    url(r'^committees/', include('committee.urls')),
-    url('', include('social_django.urls', namespace='social')),
-    url(r'^admin/', admin.site.urls),
+    path('', views.index, name='index'),
+    path('logout', views.user_logout, name='logout'),
+    path('items/', include('items.urls')),
+    path('committees/', include('committee.urls')),
+    path('', include('social_django.urls', namespace='social')),
+    path('admin/', admin.site.urls),
 ]
diff --git a/fincom/views.py b/fincom/views.py
index c521245..202ddcb 100644
--- a/fincom/views.py
+++ b/fincom/views.py
@@ -3,7 +3,7 @@ from django.contrib.auth import logout
 from django.template import loader
 
 def index(request):
-    if request.user.is_authenticated():
+    if request.user.is_authenticated:
         return HttpResponseRedirect('/items')
 
     template = loader.get_template('fincom/index.html')
diff --git a/items/models.py b/items/models.py
index 0b9e277..ee81bf4 100644
--- a/items/models.py
+++ b/items/models.py
@@ -75,7 +75,7 @@ class Item(models.Model):
 
     desc = models.CharField(max_length=200)
     event = models.CharField(max_length=200)
-    committee = models.ForeignKey(Committee)
+    committee = models.ForeignKey(Committee, on_delete=models.DO_NOTHING)
     details = models.TextField()
     cost = models.DecimalField(max_digits=7, decimal_places=2)
     date_purchased = models.DateField('date purchased')
@@ -84,7 +84,7 @@ class Item(models.Model):
                           variations={'thumbnail': (600, 600)}
                          )
 
-    created_by = models.ForeignKey(User, related_name='created_by')
+    created_by = models.ForeignKey(User, related_name='created_by', on_delete=models.DO_NOTHING)
     approved_by = models.ManyToManyField(User, blank=True, related_name='approved_by')
     date_filed = models.DateTimeField('date filed')
     status = models.CharField(max_length=2, choices=STATUS)
diff --git a/items/urls.py b/items/urls.py
index dc32bff..33e080e 100644
--- a/items/urls.py
+++ b/items/urls.py
@@ -1,12 +1,12 @@
-from django.conf.urls import url
+from django.urls import path
 from items import views
 
 urlpatterns = [
-    url(r'^$', views.list, name='list'),
-    url(r'^(?P<item_id>\d+)/$', views.details, name='details'),
-    url(r'^(?P<item_id>\d+)/approve$', views.approve, name='approve'),
-    url(r'^(?P<item_id>\d+)/reject$', views.reject, name='reject'),
-    url(r'^(?P<item_id>\d+)/edit$', views.edit, name='edit'),
-    url(r'^(?P<item_id>\d+)/delete$', views.delete, name='delete'),
-    url(r'^new$', views.new_form, name='new_form'),
+    path(r'', views.list, name='list'),
+    path('<int:item_id>/', views.details, name='details'),
+    path('<int:item_id>/approve', views.approve, name='approve'),
+    path('<int:item_id>/reject', views.reject, name='reject'),
+    path('<int:item_id>/edit', views.edit, name='edit'),
+    path('<int:item_id>/delete', views.delete, name='delete'),
+    path('new', views.new_form, name='new_form'),
 ]
diff --git a/requirements.txt b/requirements.txt
index dd31fc7..05cfce5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,31 +1,36 @@
 appdirs==1.4.0
-boto3==1.9.28
-botocore==1.12.28
-Django==1.11.16
+boto3==1.9.86
+botocore==1.12.86
+certifi==2018.11.29
+chardet==3.0.4
+defusedxml==0.5.0
+Django==2.1.5
 django-cleanup==0.4.2
 django-stdimage==2.4.1
 django-storages==1.5.2
-docutils==0.13.1
+docutils==0.14
 futures==3.0.5
-gunicorn==19.9.0
-jmespath==0.9.1
-oauthlib==2.1.0
+idna==2.8
+jmespath==0.9.3
+oauthlib==3.0.1
 olefile==0.44
 packaging==16.8
-Pillow==5.3.0
+Pillow==4.0.0
+pkg-resources==0.0.0
 progressbar2==3.12.0
 psycopg2-binary==2.7.5
-PyJWT==1.4.2
+PyJWT==1.7.1
 pyparsing==2.1.10
-python-dateutil==2.6.0
+python-dateutil==2.7.5
 python-openid==2.2.5
 python-utils==2.0.1
-pytz==2018.5
-requests==2.13.0
-requests-oauthlib==0.7.0
-s3transfer==0.1.10
-six==1.10.0
-social-auth-app-django==2.1.0
-social-auth-core==1.7.0
-urllib3==1.23
+python3-openid==3.1.0
+pytz==2018.9
+requests==2.21.0
+requests-oauthlib==1.2.0
+s3transfer==0.1.13
+six==1.12.0
+social-auth-app-django==3.1.0
+social-auth-core==3.0.0
+urllib3==1.24.1
 whitenoise==3.3.0