diff --git a/.travis.yml b/.travis.yml
index 55dc4ee3..3ab98d22 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-dist: bionic
+dist: focal
 language: python
 python: "3.10"
 cache:
diff --git a/requirements.txt b/requirements.txt
index 85595b0b..9e4416f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,9 +8,9 @@ amqp==5.1.1
     # via kombu
 asgiref==3.7.2
     # via django
-billiard==3.6.4.0
+billiard==4.1.0
     # via celery
-celery==5.2.7
+celery==5.3.1
     # via
     #   -r requirements.in
     #   django-celery-beat
@@ -29,17 +29,18 @@ click-didyoumean==0.3.0
     # via celery
 click-plugins==1.1.1
     # via celery
-click-repl==0.2.0
+click-repl==0.3.0
     # via celery
 cron-descriptor==1.4.0
     # via django-celery-beat
-django==4.2.1
+django==4.2.2
     # via
     #   -r requirements.in
     #   django-celery-beat
     #   django-celery-results
     #   django-cron
     #   django-datatables-view
+    #   django-timezone-field
     #   djangorestframework
 django-celery-beat==2.5.0
     # via -r requirements.in
@@ -51,13 +52,13 @@ django-cron==0.6.0
     # via -r requirements.in
 django-datatables-view==1.20.0
     # via -r requirements.in
-django-timezone-field==5.0
+django-timezone-field==5.1
     # via django-celery-beat
 djangorestframework==3.14.0
     # via -r requirements.in
 idna==3.4
     # via requests
-kombu==5.2.4
+kombu==5.3.1
     # via celery
 prompt-toolkit==3.0.38
     # via click-repl
@@ -68,25 +69,25 @@ python-crontab==2.7.1
 python-dateutil==2.8.2
     # via
     #   -r requirements.in
+    #   celery
     #   python-crontab
 pytz==2023.3
     # via
-    #   celery
     #   django-timezone-field
     #   djangorestframework
 requests==2.31.0
     # via -r requirements.in
 six==1.16.0
-    # via
-    #   click-repl
-    #   python-dateutil
+    # via python-dateutil
 sqlparse==0.4.4
     # via django
-typing-extensions==4.6.2
+typing-extensions==4.7.0
     # via asgiref
 tzdata==2023.3
-    # via django-celery-beat
-urllib3==2.0.2
+    # via
+    #   celery
+    #   django-celery-beat
+urllib3==2.0.3
     # via requests
 vine==5.0.0
     # via