diff --git a/gradle/app.versions.toml b/gradle/app.versions.toml
index 834196d88e..a06096c8be 100644
--- a/gradle/app.versions.toml
+++ b/gradle/app.versions.toml
@@ -3,4 +3,4 @@ minSdk = '24'
 targetSdk = '34'
 compileSdk = '34'
 versionName = '1.66'
-versionCode = '512'
\ No newline at end of file
+versionCode = '513'
\ No newline at end of file
diff --git a/shared/src/commonMain/kotlin/org/hyperskill/app/debug/cache/DebugCacheDataSourceImpl.kt b/shared/src/commonMain/kotlin/org/hyperskill/app/debug/cache/DebugCacheDataSourceImpl.kt
index 385da087e8..bcd70094d2 100644
--- a/shared/src/commonMain/kotlin/org/hyperskill/app/debug/cache/DebugCacheDataSourceImpl.kt
+++ b/shared/src/commonMain/kotlin/org/hyperskill/app/debug/cache/DebugCacheDataSourceImpl.kt
@@ -8,7 +8,7 @@ class DebugCacheDataSourceImpl(private val settings: Settings) : DebugCacheDataS
     override fun getEndpointConfig(): EndpointConfigType {
         val cachedEndpointConfigName = settings.getString(
             key = DebugCacheKeyValues.ENDPOINT_CONFIG,
-            defaultValue = EndpointConfigType.PRODUCTION.name
+            defaultValue = EndpointConfigType.MAIN.name
         )
         return EndpointConfigType.valueOf(cachedEndpointConfigName)
     }