diff --git a/src/main/java/project/backend/global/config/FirebaseConfig.java b/src/main/java/project/backend/global/config/FirebaseConfig.java
index 7403aa3..aab5826 100644
--- a/src/main/java/project/backend/global/config/FirebaseConfig.java
+++ b/src/main/java/project/backend/global/config/FirebaseConfig.java
@@ -5,6 +5,7 @@
 import com.google.firebase.FirebaseOptions;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -14,14 +15,16 @@
 @Configuration
 public class FirebaseConfig {
 
+    @Value("${firebase.key}")
+    private String fcmSecretKey;
+
     @Bean
     public FirebaseApp initializeFirebaseApp() throws IOException {
-        String firebaseConfig = System.getenv("FCM_SECRET");
-        if (firebaseConfig == null) {
+        if (fcmSecretKey == null) {
             throw new IOException("FCM_SECRET environment variable is not set.");
         }
 
-        ByteArrayInputStream serviceAccount = new ByteArrayInputStream(firebaseConfig.getBytes());
+        ByteArrayInputStream serviceAccount = new ByteArrayInputStream(fcmSecretKey.getBytes());
 
         FirebaseOptions options = new FirebaseOptions.Builder()
                 .setCredentials(GoogleCredentials.fromStream(serviceAccount))
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index ca34854..a607395 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -77,3 +77,6 @@ server:
 swagger:
   host: www.ticats.site
   protocol: https
+
+firebase:
+  key: ${FCM_SECRET}