diff --git a/go.mod b/go.mod
index 588dc832..7034683f 100644
--- a/go.mod
+++ b/go.mod
@@ -3,10 +3,13 @@ module github.com/serjs/socks5-server
 go 1.24.0
 
 require (
-	github.com/caarlos0/env/v6 v6.10.1
+	github.com/caarlos0/env/v9 v9.0.0
 	golang.org/x/net v0.47.0
 )
 
-require github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
+require (
+	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
+	github.com/caarlos0/env/v6 v6.10.1
+)
 
 replace github.com/armon/go-socks5 => github.com/serjs/go-socks5 v0.0.0-20250923183437-3920b97ee0d2
diff --git a/go.sum b/go.sum
index 7b474d2c..829a0861 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,6 @@
 github.com/caarlos0/env/v6 v6.10.1 h1:t1mPSxNpei6M5yAeu1qtRdPAK29Nbcf/n3G7x+b3/II=
 github.com/caarlos0/env/v6 v6.10.1/go.mod h1:hvp/ryKXKipEkcuYjs9mI4bBCg+UI0Yhgm5Zu0ddvwc=
+github.com/caarlos0/env/v9 v9.0.0/go.mod h1:ye5mlCVMYh6tZ+vCgrs/B95sj88cg5Tlnc0XIzgZ020=
 github.com/serjs/go-socks5 v0.0.0-20250923183437-3920b97ee0d2 h1:dIXY/Lrkd1rGXcN60Fc0M2x0p5/C2XcbBbtPCvVvAa4=
 github.com/serjs/go-socks5 v0.0.0-20250923183437-3920b97ee0d2/go.mod h1:N2PhU16m3olAb71DduLys4mYR3oQboD4uLJmSXCSuMA=
 golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index d1970d96..33e83b40 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -4,6 +4,8 @@ github.com/armon/go-socks5
 # github.com/caarlos0/env/v6 v6.10.1
 ## explicit; go 1.17
 github.com/caarlos0/env/v6
+# github.com/caarlos0/env/v9 v9.0.0
+## explicit; go 1.17
 # golang.org/x/net v0.47.0
 ## explicit; go 1.24.0
 golang.org/x/net/context