diff --git a/.teamcity/BuildParams.kt b/.teamcity/BuildParams.kt
index 8976a673f02..9077c3cc7f3 100644
--- a/.teamcity/BuildParams.kt
+++ b/.teamcity/BuildParams.kt
@@ -10,7 +10,7 @@ object BuildParams {
   const val KOTLINX_IO_RELEASE_TAG = "0.6.0"
   const val KOTLINX_IO_ID = "kotlinx-io"
   const val KOTLINX_METADATA_ID = "kotlinx-metadata-jvm"
-  const val KOTLIN_CORE_API_BUILD_ID = "Kotlin_KotlinRelease_2020_LibraryReferenceLatestDocs"
+  const val KOTLIN_CORE_API_BUILD_ID = "Kotlin_KotlinRelease_210_LibraryReferenceLatestDocs"
   const val KOTLIN_RELEASE_TAG = "v2.0.21"
 
   const val SEARCH_APP_ID = "7961PKYRXV"