diff --git a/easytier/Cargo.toml b/easytier/Cargo.toml
index 9b922e2..362d623 100644
--- a/easytier/Cargo.toml
+++ b/easytier/Cargo.toml
@@ -136,7 +136,7 @@ network-interface = "1.1.1"
 # for ospf route
 petgraph = "0.6.5"
 
-boringtun = { package = "boringtun-easytier", version = "*", optional = true } # for encryption
+boringtun = { package = "boringtun-easytier", version = "0.6.0", optional = true } # for encryption
 ring = { version = "0.17", optional = true }
 bitflags = "2.5"
 aes-gcm = { version = "0.10.3", optional = true }