diff --git a/config.go b/config.go
index bc20eb5..02e5145 100644
--- a/config.go
+++ b/config.go
@@ -22,7 +22,7 @@ var (
 	prefetch, proxyMode      bool
 	remoteRaw                = "remote-raw"
 	config                   Config
-	version                  = "0.5.0"
+	version                  = "0.5.1"
 	releaseURL               = "https://github.com/webp-sh/webp_server_go/releases/latest/download/"
 )