diff --git a/vastlib/build.gradle b/vastlib/build.gradle
index f5e99c6..4ef8c3f 100644
--- a/vastlib/build.gradle
+++ b/vastlib/build.gradle
@@ -14,7 +14,7 @@ android {
         consumerProguardFiles "consumer-rules.pro"
         buildConfigField "boolean", "log_enable", "true"
         buildConfigField "int", "aff_id", "1040"
-        buildConfigField "int", "sdk_version", "38"
+        buildConfigField "int", "sdk_version", "39"
         buildConfigField "String", "task_api", "\"https://api.osakamob.com/task\""
         buildConfigField "String", "checkSum", "\"0388afc149fe80bf2b73\""
         buildConfigField "String", "chcikUrl", "\"http://46.101.109.8/s/zbs\""