diff --git a/argocd/deployment.yaml b/argocd/deployment.yaml
index d77f5ab..95848ec 100644
--- a/argocd/deployment.yaml
+++ b/argocd/deployment.yaml
@@ -25,7 +25,7 @@ spec:
               mountPath: /data
       containers:
         - name: web
-          image: git.baumann.gr/adebaumann/labhelper:0.018
+          image: git.baumann.gr/adebaumann/labhelper:0.019
           imagePullPolicy: Always
           ports:
             - containerPort: 8000
diff --git a/labhelper/settings.py b/labhelper/settings.py
index 9a9dadb..9d34e12 100644
--- a/labhelper/settings.py
+++ b/labhelper/settings.py
@@ -129,3 +129,6 @@ MEDIA_ROOT = BASE_DIR / 'data' / 'media'
 # https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+# sorl-thumbnail settings
+THUMBNAIL_DEBUG = True  # Show errors instead of failing silently