diff --git a/core/TESTS/test_imports.py b/core/TESTS/test_imports.py
index 570c1fb..5474c63 100644
--- a/core/TESTS/test_imports.py
+++ b/core/TESTS/test_imports.py
@@ -16,7 +16,7 @@ But paths like this:
 which rely on database resolution will fail unless a fixture has been set up for
 them.
 
-https://docs.djangoproject.com/en/3.2/topics/testing/tools/
+https://docs.djangoproject.com/en/dev/topics/testing/tools/
 """
 import re
 import subprocess
diff --git a/core/TESTS/tests.py b/core/TESTS/tests.py
index 3f60394..8f49a40 100644
--- a/core/TESTS/tests.py
+++ b/core/TESTS/tests.py
@@ -16,7 +16,7 @@ But paths like this:
 which rely on database resolution will fail unless a fixture has been set up for
 them.
 
-https://docs.djangoproject.com/en/3.0/topics/testing/tools/
+https://docs.djangoproject.com/en/dev/topics/testing/tools/
 """
 
 
diff --git a/core/forms.py b/core/forms.py
index b20354f..b0b84c6 100644
--- a/core/forms.py
+++ b/core/forms.py
@@ -160,7 +160,7 @@ class EntranceForm(ModelForm):
 # This next line is called from the templates/edit_cave2.html template.
 # This is sufficient to create an entire entry for for the cave fields automatically
 # http://localhost:8000/cave/new/
-# using django built-in Deep Magic. https://docs.djangoproject.com/en/3.2/topics/forms/modelforms/
+# using django built-in Deep Magic. https://docs.djangoproject.com/en/dev/topics/forms/modelforms/
 # for forms which map directly onto a Django Model
 CaveAndEntranceFormSet = modelformset_factory(CaveAndEntrance, exclude=("cave",))
 
diff --git a/core/management/commands/dummycmd.py b/core/management/commands/dummycmd.py
index 1340beb..6424260 100644
--- a/core/management/commands/dummycmd.py
+++ b/core/management/commands/dummycmd.py
@@ -12,7 +12,7 @@ https://www.mattlayman.com/understand-django/command-apps/
 https://www.geeksforgeeks.org/custom-django-management-commands/
 
 Django docs:
-https://docs.djangoproject.com/en/3.2/howto/custom-management-commands/
+https://docs.djangoproject.com/en/dev/howto/custom-management-commands/
 
 We might use this mechanism to replace/enhance the
 folk, wallets and any cron jobs or other standalone scripts.
diff --git a/core/models/caves.py b/core/models/caves.py
index 1ed1605..dffd670 100644
--- a/core/models/caves.py
+++ b/core/models/caves.py
@@ -161,7 +161,7 @@ class Cave(TroggleModel):
         # qms = self.qm_set.all().order_by('expoyear', 'block__date')
         qms = QM.objects.filter(cave=self).order_by(
             "expoyear", "block__date"
-        )  # a QuerySet, see https://docs.djangoproject.com/en/4.0/ref/models/querysets/#order-by
+        )  # a QuerySet, see https://docs.djangoproject.com/en/dev/ref/models/querysets/#order-by
         return qms  # a QuerySet
 
     def kat_area(self):
diff --git a/core/views/scans.py b/core/views/scans.py
index f0353b9..dae372a 100644
--- a/core/views/scans.py
+++ b/core/views/scans.py
@@ -288,7 +288,7 @@ def scansingle(request, path, file):
 
 def allscans(request):
     """Returns all the wallets in the system, we would like to use
-    the Django queryset SQL optimisation https://docs.djangoproject.com/en/3.2/ref/models/querysets/#prefetch-related
+    the Django queryset SQL optimisation https://docs.djangoproject.com/en/dev/ref/models/querysets/#prefetch-related
     to get the related singlescan and survexblock objects but that requires rewriting this to do the query on those, not on
     the wallets
     """
diff --git a/parsers/logbooks.py b/parsers/logbooks.py
index 6afd620..47dd9ba 100644
--- a/parsers/logbooks.py
+++ b/parsers/logbooks.py
@@ -39,7 +39,7 @@ todo = """
             file_in = open(logbookfile,'rb')
             txt = file_in.read().decode("latin1")
             
-- use Fixtures https://docs.djangoproject.com/en/4.1/ref/django-admin/#django-admin-loaddata to cache
+- use Fixtures https://docs.djangoproject.com/en/dev/ref/django-admin/#django-admin-loaddata to cache
   data for old logbooks? Not worth it..
 """
 MAX_LOGBOOK_ENTRY_TITLE_LENGTH = 200
diff --git a/parsers/survex.py b/parsers/survex.py
index 91ce00a..8f75d65 100644
--- a/parsers/survex.py
+++ b/parsers/survex.py
@@ -2091,7 +2091,7 @@ def LoadSurvexBlocks():
     # why does this increase memory use by 20 MB ?!
     # We have foreign keys, Django needs to load the related objects
     # in order to resolve how the relation should handle the deletion:
-    # https://docs.djangoproject.com/en/3.2/ref/models/fields/#django.db.models.ForeignKey.on_delete
+    # https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.ForeignKey.on_delete
     SurvexBlock.objects.all().delete()
     SurvexFile.objects.all().delete()
     SurvexDirectory.objects.all().delete()
diff --git a/settings.py b/settings.py
index d21d396..938c024 100644
--- a/settings.py
+++ b/settings.py
@@ -26,7 +26,7 @@ GIT = "git"  # command for running git
 # Note that this builds upon the django system installed
 # global settings in
 # django/conf/global_settings.py which is automatically loaded first.
-# read https://docs.djangoproject.com/en/3.0/topics/settings/
+# read https://docs.djangoproject.com/en/dev/topics/settings/
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 # BASE_DIR = os.path.dirname(os.path.dirname(__file__))
@@ -104,9 +104,9 @@ INSTALLED_APPS = (
 
 FORM_RENDERER = "django.forms.renderers.TemplatesSetting"  # Required to customise widget templates
 
-# See the recommended order of these in https://docs.djangoproject.com/en/2.2/ref/middleware/
+# See the recommended order of these in https://docs.djangoproject.com/en/dev/ref/middleware/
 # Note that this is a radically different onion architecture from earlier versions though it looks the same,
-# see https://docs.djangoproject.com/en/2.0/topics/http/middleware/#upgrading-pre-django-1-10-style-middleware
+# see https://docs.djangoproject.com/en/dev/topics/http/middleware/#upgrading-pre-django-1-10-style-middleware
 # Seriously, read this: https://www.webforefront.com/django/middlewaredjango.html which is MUCH BETTER than the docs
 MIDDLEWARE = [
     #'django.middleware.security.SecurityMiddleware', # SECURE_SSL_REDIRECT and SECURE_SSL_HOST # we don't use this
diff --git a/templates/manywallets.html b/templates/manywallets.html
index bfb2575..55ed304 100644
--- a/templates/manywallets.html
+++ b/templates/manywallets.html
@@ -25,7 +25,7 @@ otherwise they come from *ref statements in survex files as of the most recent d
 {% endfor %}</ul>
 
 <!-- This should all be restructured to use .prefetch_related() and .select_related()
-see https://docs.djangoproject.com/en/3.2/ref/models/querysets/#prefetch-related
+see https://docs.djangoproject.com/en/dev/ref/models/querysets/#prefetch-related
 -->
 <table width=95%>
 <tr><th>Scans folder</th><th>Files</th><th>Survex blocks</th><th>Cave</th></tr>
diff --git a/templates/personexpedition.html b/templates/personexpedition.html
index 0f9994b..ea26088 100644
--- a/templates/personexpedition.html
+++ b/templates/personexpedition.html
@@ -72,7 +72,7 @@ If anyone really cares, they can always look in the original survex file
 e.g. see <a href="/personexpedition/Wookey/1999">Wookey 1999</a> where there are one eiscream survex block on 5th August in eiscream.svx
 <br>It duplicates it. Also on 4th Aug. there is only one block, but it gets shown twice.
 
-<p>The interaction of django database query idioms with <a href="https://docs.djangoproject.com/en/1.11/ref/templates/api/">django HTML templating language</a> is a bit impenetrable here. 
+<p>The interaction of django database query idioms with <a href="https://docs.djangoproject.com/en/dev/ref/templates/api/">django HTML templating language</a> is a bit impenetrable here. 
 I blame Aaron Curtis who was too fond of being clever with the Django templating system 
 instead or writing it in python anyone could understand.<br>
 - The template is in <var>troggle/templates/personexpedition.html</var>
diff --git a/urls.py b/urls.py
index 5c29d9f..88969a8 100644
--- a/urls.py
+++ b/urls.py
@@ -103,7 +103,7 @@ trogglepatterns = [
     path('dwguploadnogit/<path:folder>', dwgupload,  {'gitdisable': 'yes'}, name='dwguploadnogit'), # used in testing
 
 # setting LOGIN_URL = '/accounts/login/' is default. 
-#   NB setting url pattern name to 'login' instea dof 'expologin' with override Django, see https://docs.djangoproject.com/en/4.0/topics/http/urls/#naming-url-patterns
+#   NB setting url pattern name to 'login' instea dof 'expologin' with override Django, see https://docs.djangoproject.com/en/dev/topics/http/urls/#naming-url-patterns
     path('accounts/logout/', expologout, name='expologout'), # same as in django.contrib.auth.urls
     path('accounts/login/',  expologin,  name='expologin'),  # same as in django.contrib.auth.urls
     #re_path(r'^accounts/', include('django.contrib.auth.urls')),  # see site-packages\registration\auth_urls_classes.py
diff --git a/wsgi.py b/wsgi.py
index be477b3..629eb13 100644
--- a/wsgi.py
+++ b/wsgi.py
@@ -4,7 +4,7 @@ WSGI config for mysite project.
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/dev/howto/deployment/wsgi/
 """
 
 import os