diff --git a/src/main/java/inha/gdgoc/global/security/SecurityConfig.java b/src/main/java/inha/gdgoc/global/security/SecurityConfig.java
index 6b31964..bf25ae2 100644
--- a/src/main/java/inha/gdgoc/global/security/SecurityConfig.java
+++ b/src/main/java/inha/gdgoc/global/security/SecurityConfig.java
@@ -89,10 +89,11 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
     public CorsConfigurationSource corsConfigurationSource() {
         CorsConfiguration config = new CorsConfiguration();
         config.setAllowedOrigins(List.of(
-            "http://localhost:3000",
-            "https://gdgocinha.com",
-            "https://www.gdgocinha.com",
-            "https://typing-game-alpha-umber.vercel.app"
+                "http://localhost:3000",
+                "https://gdgocinha.com",
+                "https://dev.gdgocinha.com",
+                "https://www.gdgocinha.com",
+                "https://typing-game-alpha-umber.vercel.app"
         ));
         config.setAllowedMethods(List.of("GET", "POST", "PUT", "DELETE", "OPTIONS", "PATCH"));
         config.setAllowedHeaders(