diff --git a/go.mod b/go.mod
index fe3dd71..e0e5cf5 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.24.0
 toolchain go1.24.1
 
 require (
-	github.com/criyle/go-judge/pb v1.3.2
+	github.com/criyle/go-judge/pb v1.0.0
 	github.com/go-git/go-git/v5 v5.16.5
 	github.com/jinzhu/copier v0.4.0
 	github.com/joint-online-judge/go-gitignore v0.0.0-20250212104351-ad79a46f8dcc
diff --git a/go.sum b/go.sum
index 549ae31..b7fedbc 100644
--- a/go.sum
+++ b/go.sum
@@ -15,8 +15,8 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ0=
 github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
-github.com/criyle/go-judge/pb v1.3.2 h1:S0c0EqRF+xePOwcZxSb9mPV+bkXgfOX9f7SQMrcdeb4=
-github.com/criyle/go-judge/pb v1.3.2/go.mod h1:QfjmF1w4t5ODXikuUcy8Alqb901R6p0HDxJXGKZy0NE=
+github.com/criyle/go-judge/pb v1.0.0 h1:8A4zHPPCGCDTuFY1GW5Hqpg+8ETIwzgXxiRpYKKb2zA=
+github.com/criyle/go-judge/pb v1.0.0/go.mod h1:hjgixgK9NH9ktwc29xbXVdZDOlKfEkRkEbZ4W5bOMmw=
 github.com/cyphar/filepath-securejoin v0.5.0 h1:hIAhkRBMQ8nIeuVwcAoymp7MY4oherZdAxD+m0u9zaw=
 github.com/cyphar/filepath-securejoin v0.5.0/go.mod h1:Sdj7gXlvMcPZsbhwhQ33GguGLDGQL7h7bg04C/+u9jI=
 github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 h1:y5HC9v93H5EPKqaS1UYVg1uYah5Xf51mBfIoWehClUQ=