diff --git a/.env b/.env
index ac62150..2e697f3 100755
--- a/.env
+++ b/.env
@@ -29,3 +29,6 @@ LOKI_BATCH_SIZE=500
 HTTPS_PORTAL_DOMAINS='alpha.phx-erp.de -> phoenix-app'
 # ====== PHX-SYSTEM Configuration ======
 PHOENIX_SYSTEM_REPLICAS=1
+
+# ======= Credentials =============
+CREDENTIAL_ENCRYPTION_KEY="cd75ab49315cc76c7dad93e9524815362c6d525fd82ce90a7cea2644a871a8ba"