diff --git a/src/ProjectOrigin.Stamp.Server/ProjectOrigin.Stamp.Server.csproj b/src/ProjectOrigin.Stamp.Server/ProjectOrigin.Stamp.Server.csproj
index d1ecea6..1b32b41 100644
--- a/src/ProjectOrigin.Stamp.Server/ProjectOrigin.Stamp.Server.csproj
+++ b/src/ProjectOrigin.Stamp.Server/ProjectOrigin.Stamp.Server.csproj
@@ -49,13 +49,13 @@
 
   <ItemGroup>
     <Protobuf Include="../Protos/common.proto" Link="Protos\common.proto">
-      <SourceUrl>https://raw.githubusercontent.com/project-origin/registry/v0.3.0/src/Protos/common.proto</SourceUrl>
+      <SourceUrl>https://raw.githubusercontent.com/project-origin/registry/v0.4.2/src/Protos/common.proto</SourceUrl>
     </Protobuf>
     <Protobuf Include="../Protos/registry.proto" Link="Protos\registry.proto">
-      <SourceUrl>https://raw.githubusercontent.com/project-origin/registry/v0.3.0/src/Protos/registry.proto</SourceUrl>
+      <SourceUrl>https://raw.githubusercontent.com/project-origin/registry/v0.4.2/src/Protos/registry.proto</SourceUrl>
     </Protobuf>
     <Protobuf Include="../Protos/electricity.proto" Link="Protos\electricity.proto">
-      <SourceUrl>https://raw.githubusercontent.com/project-origin/registry/v0.3.0/src/Protos/electricity.proto</SourceUrl>
+      <SourceUrl>https://raw.githubusercontent.com/project-origin/registry/v0.4.2/src/Protos/electricity.proto</SourceUrl>
     </Protobuf>
   </ItemGroup>