diff --git a/app/models/appci.py b/app/models/appci.py
index 8f940a4..3aece25 100644
--- a/app/models/appci.py
+++ b/app/models/appci.py
@@ -55,7 +55,7 @@ class AppCIBranch(db.Model):
         apps = App.query.filter_by(ci_enabled=True).all()
         most_recent_tests = AppCIResult.query \
                                        .filter_by(branch = self) \
-                                       .order_by('date desc') \
+                                       .order_by(AppCIResult.date.desc()) \
                                        .all()
 
         for app in apps:
diff --git a/app/models/applists.py b/app/models/applists.py
index d6cb934..6a12ff6 100644
--- a/app/models/applists.py
+++ b/app/models/applists.py
@@ -137,7 +137,7 @@ class App(db.Model):
             most_recent_test = AppCIResult.query \
                                           .filter_by(branch = branch) \
                                           .filter_by(app = self) \
-                                          .order_by('date desc') \
+                                          .order_by(AppCIResult.date.desc()) \
                                           .first()
             if most_recent_test:
                 yield most_recent_test
diff --git a/requirements.txt b/requirements.txt
index 7c33dfa..45288a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,16 +1,19 @@
-certifi==2017.11.5
-chardet==3.0.4
-click==6.7
-Flask==0.12.2
+Click==7.0
+Flask==1.0.2
+Flask-SQLAlchemy==2.4.0
 Flask-Script==2.0.6
-Flask-SQLAlchemy==2.3.2
-idna==2.6
-itsdangerous==0.24
-Jinja2==2.10
-MarkupSafe==1.0
-python-dateutil==2.6.1
-requests==2.18.4
-six==1.11.0
-SQLAlchemy==1.1.15
-urllib3==1.22
-Werkzeug==0.13
+Jinja2==2.10.1
+MarkupSafe==1.1.1
+SQLAlchemy==1.3.3
+Werkzeug==0.15.2
+certifi==2019.3.9
+chardet==3.0.4
+feedgen==0.7.0
+gunicorn==19.7.1
+idna==2.8
+itsdangerous==1.1.0
+lxml==4.2.1
+python-dateutil==2.8.0
+requests==2.21.0
+six==1.12.0
+urllib3==1.25.2