diff --git a/.env b/.env
new file mode 100644
index 0000000..eea5554
--- /dev/null
+++ b/.env
@@ -0,0 +1 @@
+VNCPW=#z3M&DY9eQ!uFcIjN*EEyMrV3hbe1F
\ No newline at end of file
diff --git a/docker-compose.thunderbird.yml b/docker-compose.thunderbird.yml
index bdea4c9..ca7398c 100644
--- a/docker-compose.thunderbird.yml
+++ b/docker-compose.thunderbird.yml
@@ -18,7 +18,7 @@ services:
     - LANG=de_DE.UTF-8
     - LANGUAGE=de_DE:de
     - LC_ALL=de_DE.UTF-8
-    - VNC_PW=GiVdRsa4NHyx
+    - VNC_PW=${VNCPW}
     ports:
     - "885:4901"
     - "886:5901"