diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 2efff21..517483c 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -1,6 +1,6 @@
 openai:
-  secret-key : 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
-  url :
+  secret-key : ${GPT_KEY}
+  url:
     model : https://api.openai.com/v1/models
     model-list : https://api.openai.com/v1/models/
     legacy-prompt: https://api.openai.com/v1/completions