diff --git a/go.mod b/go.mod
index 975202f..186ea3b 100644
--- a/go.mod
+++ b/go.mod
@@ -3,8 +3,7 @@ module github.com/byte-v-forge/mailbox
 go 1.26
 
 require (
-	github.com/byte-v-forge/contracts-go v0.1.0
-	google.golang.org/grpc v1.81.1
+	github.com/byte-v-forge/contracts-go v0.3.0
 	google.golang.org/protobuf v1.36.11
 )
 
@@ -13,4 +12,5 @@ require (
 	golang.org/x/sys v0.43.0 // indirect
 	golang.org/x/text v0.36.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 // indirect
+	google.golang.org/grpc v1.81.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 00bc31d..d3c1cf0 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/byte-v-forge/contracts-go v0.1.0 h1:aiot3GjluNnhTbK5sCVPdJtuj40sI8WoH0JCe223Tl0=
-github.com/byte-v-forge/contracts-go v0.1.0/go.mod h1:y2YP2d0SuI66CWYxdkJx9FUmIJYXnAJXtGJiJGSip8E=
+github.com/byte-v-forge/contracts-go v0.3.0 h1:9I/4j3ObKwDZ6aWbpDyUHvClbDyz7sQx6UirPOuhf6s=
+github.com/byte-v-forge/contracts-go v0.3.0/go.mod h1:y2YP2d0SuI66CWYxdkJx9FUmIJYXnAJXtGJiJGSip8E=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=