diff --git a/backend/siarnaq/api/compete/serializers.py b/backend/siarnaq/api/compete/serializers.py
index bd8971a34..056f47929 100644
--- a/backend/siarnaq/api/compete/serializers.py
+++ b/backend/siarnaq/api/compete/serializers.py
@@ -1,4 +1,5 @@
 import random
+from datetime import timezone
 
 import structlog
 from django.conf import settings
@@ -283,7 +284,7 @@ def _normalize(obj):
             from django.utils import timezone as dj_tz
 
             # Parse the datetime string and convert to UTC
-            created = dj_tz.localtime(instance.created, dj_tz.utc)
+            created = dj_tz.localtime(instance.created, timezone.utc)
             data["created"] = created.isoformat().replace("+00:00", "Z")
         # Redact match details depending on client identity
         if self.context["user_is_staff"]:
diff --git a/backend/siarnaq/gcloud/titan.py b/backend/siarnaq/gcloud/titan.py
index 290619d79..96115458a 100644
--- a/backend/siarnaq/gcloud/titan.py
+++ b/backend/siarnaq/gcloud/titan.py
@@ -5,7 +5,6 @@
 import structlog
 from django.conf import settings
 from google.auth import impersonated_credentials
-from PIL import Image
 
 logger = structlog.get_logger(__name__)
 
@@ -105,6 +104,8 @@ def get_object(
 
 
 def upload_image(raw_image, image_path):
+    from PIL import Image
+
     img = Image.open(raw_image)
     img.thumbnail(settings.GCLOUD_MAX_AVATAR_SIZE)
 
diff --git a/environment-dev.yml b/environment-dev.yml
index 62fe04297..87b0a56e0 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -23,10 +23,12 @@ dependencies:
   - openjdk=11
   - openssl>=3.0.15
   - pillow=9.0.1
+  - libtiff
   - pip=22.3
   - pre_commit=2.20.0
   - psycopg2=2.9.3
   - python=3.10
+  - setuptools<81
   - pyupgrade=3.1.0
   - terraform=1.3.4
   - pip: