diff --git a/kubernetes/credentials.sh b/kubernetes/credentials.sh
index 46da6a2..eceb4ed 100755
--- a/kubernetes/credentials.sh
+++ b/kubernetes/credentials.sh
@@ -1,6 +1,6 @@
 kubectl -n mailu delete secret mail-classifier-secret
 kubectl -n mailu create secret generic mail-classifier-secret \
-  --from-literal=imap_user='martin@sukany.cz' \
-  --from-literal=imap_pass='treasure-Hunter' \
+  --from-literal=imap_user='changeme' \
+  --from-literal=imap_pass='changeme' \
   --from-literal=openwebui_api_key='sk-5aec322c43f347549268b27779f12620'
 
diff --git a/kubernetes/deployment.yaml b/kubernetes/deployment.yaml
index 997d918..b0ce7a4 100644
--- a/kubernetes/deployment.yaml
+++ b/kubernetes/deployment.yaml
@@ -54,7 +54,7 @@ spec:
             # Jméno modelu v OpenWebUI (OpenRouter)
             # Použij přesně to, které vidíš v UI, např. "openai/gpt-5-mini"
             - name: MODEL_NAME
-              value: "openai/gpt-5-mini"
+              value: "openai/gpt-5-nano"
 
             # ---------- Obecná konfigurace ----------
             - name: CHECK_INTERVAL