diff --git a/Pipfile b/Pipfile
index 6e856c1c..5bf03426 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,14 +4,14 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-django = "==3.2.*"
+django = "==4.0.*"
 # Templatetags for bootstrap3
 django-braces = "*"       # Extra mixinclasses for models and views
 django-contrib-comments = "*"
 django-filebrowser-no-grappelli = "*"  # Filebrowser for mediafiles.
-django-haystack = "==3.0b1"     # Search functionality for django models. See whoosh as well
+django-haystack = "==3.2"     # Search functionality for django models. See whoosh as well
 django-hitcount = "*"
-django-image-cropping = "==1.5"
+django-image-cropping = "==1.7"
 django-markdown-deux = "*"
 django-sekizai = "*"      # Templatetag library for extra block functionality
 easy-thumbnails = "*"     # Thumbnail creator
@@ -27,6 +27,7 @@ django-multi-email-field = "*"
 django-bootstrap4 = "*"
 django-ckeditor = "*"
 djangorestframework = "*"
+tzdata = "*"  # django-4.* uses zoneinfo, which in turn relies on tzdata. On windows tzdata is as of now ()13.10.2023) not installed by default 
 
 [dev-packages]
 pre-commit = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 052c4afe..5188827b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "8147de27d3873fb743bf69d7875ad388e4dafc5975be218792dc26e530b24109"
+            "sha256": "fe7bc0895f042b22ef96489b12f17b225d0f76f06d477f85a61d7c666f46452b"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -50,11 +50,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:83b6d66b06e484807d778263fdc7f9186d4dc1862fcfa6507830446ac6b060ba",
-                "sha256:c5e7b668025a6e06cad9ba6d4de1fd1a21212acebb51ea34abb400c6e4d33430"
+                "sha256:2c2f73c16b11cb272c6d5e3b063f0d1be06f378d8dc6005fbe8542565db659cc",
+                "sha256:4496eb4f65071578b703fdc6e6f29302553c7440e3f77baf4cefa4a4e091fc3d"
             ],
             "index": "pypi",
-            "version": "==3.2.22"
+            "version": "==4.0.10"
         },
         "django-appconf": {
             "hashes": [
@@ -121,11 +121,10 @@
         },
         "django-haystack": {
             "hashes": [
-                "sha256:9dba64f5c76cf147ac382d4a4a270f30d30a45a3a7a1738a9d05c96d18777c07",
-                "sha256:b83705e1cf8141cd1755fc6683ac65fea4e1281f4b4306bc9224af96495b0df3"
+                "sha256:f0284b822f866945f8041f091f5e384ae1ccd1152c7ea5a5b09a0b198cc6d4e4"
             ],
             "index": "pypi",
-            "version": "==3.0b1"
+            "version": "==3.2"
         },
         "django-hitcount": {
             "hashes": [
@@ -137,11 +136,11 @@
         },
         "django-image-cropping": {
             "hashes": [
-                "sha256:59744e8df88db7e46e37b526fc715fdde665d9efa345922745f50411a6dadb3f",
-                "sha256:81dbcabb6421c5a1e88fac9d96f336d6109a23dcb8fa6c678329d3688c9973c4"
+                "sha256:429ad2c3ccad5ddeb079fbee24dc1536105b3e9d30beb53d1446fd560da04d5b",
+                "sha256:971d1a92c9ef14f1bf95996dd4eeed0a00dbb2221bfa762290d9525696243232"
             ],
             "index": "pypi",
-            "version": "==1.5"
+            "version": "==1.7"
         },
         "django-js-asset": {
             "hashes": [
@@ -497,6 +496,14 @@
             "markers": "python_version < '3.11'",
             "version": "==4.8.0"
         },
+        "tzdata": {
+            "hashes": [
+                "sha256:11ef1e08e54acb0d4f95bdb1be05da659673de4acbd21bf9c69e94cc5e907a3a",
+                "sha256:7e65763eef3120314099b6939b5546db7adce1e7d6f2e179e3df563c70511eda"
+            ],
+            "index": "pypi",
+            "version": "==2023.3"
+        },
         "wand": {
             "hashes": [
                 "sha256:1b77e25439ace57f665d1ccc6cff2766fad0834005b89ae3e7aaf3ba12b124b0",
@@ -591,6 +598,14 @@
             "markers": "python_version >= '3.7'",
             "version": "==8.1.7"
         },
+        "colorama": {
+            "hashes": [
+                "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44",
+                "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"
+            ],
+            "markers": "platform_system == 'Windows'",
+            "version": "==0.4.6"
+        },
         "dill": {
             "hashes": [
                 "sha256:76b122c08ef4ce2eedcd4d1abd8e641114bfc6c2867f49f3c41facf65bf19f5e",
@@ -616,11 +631,11 @@
         },
         "faker": {
             "hashes": [
-                "sha256:5b234b89a9c536a37420f612169b6e58627b823ba1bba2504c0450db3b136620",
-                "sha256:d86cb3150626bd642c6abd8a64107ddb0b154500252f46a56efe527a50594866"
+                "sha256:63da90512d0cb3acdb71bd833bb3071cb8a196020d08b8567a01d232954f1820",
+                "sha256:f321e657ed61616fbfe14dbb9ccc6b2e8282652bbcfcb503c1bd0231ff834df6"
             ],
             "index": "pypi",
-            "version": "==19.8.0"
+            "version": "==19.10.0"
         },
         "filelock": {
             "hashes": [
@@ -846,11 +861,11 @@
         },
         "pre-commit": {
             "hashes": [
-                "sha256:6bbd5129a64cad4c0dfaeeb12cd8f7ea7e15b77028d985341478c8af3c759522",
-                "sha256:96d529a951f8b677f730a7212442027e8ba53f9b04d217c4c67dc56c393ad945"
+                "sha256:5804465c675b659b0862f07907f96295d490822a450c4c40e747d0b1c6ebcb32",
+                "sha256:841dc9aef25daba9a0238cd27984041fa0467b4199fc4852e27950664919f660"
             ],
             "index": "pypi",
-            "version": "==3.4.0"
+            "version": "==3.5.0"
         },
         "pycodestyle": {
             "hashes": [
diff --git a/nablapps/accounts/admin.py b/nablapps/accounts/admin.py
index 6c30acfc..97caf855 100644
--- a/nablapps/accounts/admin.py
+++ b/nablapps/accounts/admin.py
@@ -11,7 +11,7 @@
 from django.contrib.flatpages.models import FlatPage
 from django.http import HttpResponseRedirect
 from django.urls import reverse
-from django.utils.encoding import smart_text
+from django.utils.encoding import smart_str
 
 from .forms import NablaUserChangeForm, NablaUserCreationForm
 from .models import FysmatClass, NablaGroup, NablaUser, RegistrationRequest
@@ -30,7 +30,7 @@ class UserFullnameMultipleChoiceField(forms.ModelMultipleChoiceField):
     """
 
     def label_from_instance(self, obj):
-        return smart_text(f"{obj.get_full_name()} - {obj.username}")
+        return smart_str(f"{obj.get_full_name()} - {obj.username}")
 
 
 class GroupAdminForm(forms.ModelForm):
diff --git a/nablapps/events/templates/events/administer_penalties.html b/nablapps/events/templates/events/administer_penalties.html
index c976d756..fa7dcb79 100644
--- a/nablapps/events/templates/events/administer_penalties.html
+++ b/nablapps/events/templates/events/administer_penalties.html
@@ -44,9 +44,9 @@ <h2>Prikkadministrering for <a href="{{event.get_absolute_url}}">{{ event.headli
     <tr>
         <td><label for="user_penalty_{{registration.pk}}">{{ registration.user.get_full_name }}</label></td>
         {% for penalty in event.get_penalty_rule_dict.values %}
-        <td><label style="width: 100%"><input type="radio" class="penalty_table_radio" name="user_penalty_{{registration.pk}}" value="{{ penalty }}" {% ifequal registration.penalty penalty %}checked{% endifequal %}></label></td>
+        <td><label style="width: 100%"><input type="radio" class="penalty_table_radio" name="user_penalty_{{registration.pk}}" value="{{ penalty }}" {% if registration.penalty == penalty %}checked{% endif %}></label></td>
         {% endfor %}
-        <td><label style="width: 100%"><input type="radio" class="penalty_table_radio" name="user_penalty_{{registration.pk}}" value="None" {% ifequal registration.penalty None %}checked{% endifequal %}></label></td>
+        <td><label style="width: 100%"><input type="radio" class="penalty_table_radio" name="user_penalty_{{registration.pk}}" value="None" {% if registration.penalty == None %}checked{% endif %}></label></td>
         <td>
         {% if registration.attendance_registration %}
             Ja
diff --git a/nablapps/events/templates/events/event_detail.html b/nablapps/events/templates/events/event_detail.html
index a01d53ab..ea3f559c 100644
--- a/nablapps/events/templates/events/event_detail.html
+++ b/nablapps/events/templates/events/event_detail.html
@@ -23,7 +23,7 @@ <h3>Påmeldte</h3>
     <div class="registrations">
         {% for registration in event.eventregistration_set.all %}
         {% with user=registration.user %}
-        <span class="badge {% ifequal user request.user %} badge-info {% else %} badge-secondary {% endifequal %}
+        <span class="badge {% if user == request.user %} badge-info {% else %} badge-secondary {% endif %}
                      {% if registration.waiting %}
                      waiting-place
                      {% endif %}" style="display: inline-block;">
diff --git a/templates/comments/preview.html b/templates/comments/preview.html
index d9fa4e84..4e9cd8a5 100644
--- a/templates/comments/preview.html
+++ b/templates/comments/preview.html
@@ -16,7 +16,7 @@ <h3>{% blocktrans count form.errors|length as counter %}Please correct the error
           {% else %}
             {% if field.errors %}
             <p  {% if field.errors %} class="error"{% endif %}
-                    {% ifequal field.name "honeypot" %} style="display:none;"{% endifequal %}>
+                    {% if field.name == "honeypot" %} style="display:none;"{% endif %}>
               {{ field.label_tag }}
               {{ field.errors }}
             </p>