diff --git a/argocd/configmap.yaml b/argocd/configmap.yaml
index af9792f..758e15f 100644
--- a/argocd/configmap.yaml
+++ b/argocd/configmap.yaml
@@ -19,4 +19,4 @@ data:
   LOGOUT_REDIRECT_URL: "login"
   TRUSTED_PROXIES: "192.168.17.44,192.168.17.53"
   GUNICORN_OPTS: "--access-logfile -"
-  IMAGE_TAG: "0.072"
+  IMAGE_TAG: "0.073"
diff --git a/argocd/deployment.yaml b/argocd/deployment.yaml
index d981acc..8569fe9 100644
--- a/argocd/deployment.yaml
+++ b/argocd/deployment.yaml
@@ -27,7 +27,7 @@ spec:
               mountPath: /data
       containers:
         - name: web
-          image: git.baumann.gr/adebaumann/labhelper:0.072
+          image: git.baumann.gr/adebaumann/labhelper:0.073
           imagePullPolicy: Always
           ports:
             - containerPort: 8000
diff --git a/gunicorn.conf.py b/gunicorn.conf.py
index 4db565a..f7b1521 100644
--- a/gunicorn.conf.py
+++ b/gunicorn.conf.py
@@ -24,6 +24,14 @@ class CustomLogger(Logger):
     def atoms(self, resp, req, environ, request_time):
         atoms = super().atoms(resp, req, environ, request_time)
         atoms["{client-ip}e"] = self._get_client_ip(environ)
+        headers = {
+            k[5:].replace("_", "-").lower(): v
+            for k, v in environ.items()
+            if k.startswith("HTTP_")
+        }
+        atoms["{all-headers}e"] = " | ".join(
+            f"{k}: {v}" for k, v in sorted(headers.items())
+        )
         return atoms
 
     @staticmethod
@@ -42,4 +50,4 @@ class CustomLogger(Logger):
 
 
 logger_class = CustomLogger
-access_log_format = '%({client-ip}e)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s" xff:"%({x-forwarded-for}i)s" remote:%(h)s'
+access_log_format = '%({client-ip}e)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s" headers:[%({all-headers}e)s]'