diff --git a/constants.go b/constants.go
index 62131b1..1fca6a9 100644
--- a/constants.go
+++ b/constants.go
@@ -1,6 +1,8 @@
 package proton_api_bridge
 
 var (
+	LIB_VERSION = "1.0.0"
+
 	UPLOAD_BLOCK_SIZE         = 4 * 1024 * 1024 // 4 MB
 	UPLOAD_BATCH_BLOCK_SIZE   = 8
 	/*