diff --git a/.gitignore b/.gitignore
index b20e1b0fc..e8609ab8c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,7 @@ Cargo.lock
 
 /.idea/
 *.iml
+
+# Ignore generated protobuf files
+src/protos/*.rs
+!src/protos/mod.rs
diff --git a/build.rs b/build.rs
index fedb297a6..750b9c8f5 100644
--- a/build.rs
+++ b/build.rs
@@ -4,6 +4,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         // Just build the message structs.
         .build_server(false)
         .build_client(false)
+        .out_dir("src/protos")
         .compile(
             &["protos/local/core_interface.proto"],
             &["protos/api_upstream", "protos/local"],
diff --git a/src/protos/mod.rs b/src/protos/mod.rs
index 63e376fc5..6b6014fea 100644
--- a/src/protos/mod.rs
+++ b/src/protos/mod.rs
@@ -1,5 +1,5 @@
 pub mod coresdk {
-    tonic::include_proto!("coresdk");
+    include!("coresdk.rs");
 }
 
 // No need to lint these
@@ -9,67 +9,67 @@ pub mod temporal {
     pub mod api {
         pub mod command {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.command.v1");
+                include!("temporal.api.command.v1.rs");
             }
         }
         pub mod enums {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.enums.v1");
+                include!("temporal.api.enums.v1.rs");
             }
         }
         pub mod failure {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.failure.v1");
+                include!("temporal.api.failure.v1.rs");
             }
         }
         pub mod filter {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.filter.v1");
+                include!("temporal.api.filter.v1.rs");
             }
         }
         pub mod common {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.common.v1");
+                include!("temporal.api.common.v1.rs");
             }
         }
         pub mod history {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.history.v1");
+                include!("temporal.api.history.v1.rs");
             }
         }
         pub mod namespace {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.namespace.v1");
+                include!("temporal.api.namespace.v1.rs");
             }
         }
         pub mod query {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.query.v1");
+                include!("temporal.api.query.v1.rs");
             }
         }
         pub mod replication {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.replication.v1");
+                include!("temporal.api.replication.v1.rs");
             }
         }
         pub mod taskqueue {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.taskqueue.v1");
+                include!("temporal.api.taskqueue.v1.rs");
             }
         }
         pub mod version {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.version.v1");
+                include!("temporal.api.version.v1.rs");
             }
         }
         pub mod workflow {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.workflow.v1");
+                include!("temporal.api.workflow.v1.rs");
             }
         }
         pub mod workflowservice {
             pub mod v1 {
-                tonic::include_proto!("temporal.api.workflowservice.v1");
+                include!("temporal.api.workflowservice.v1.rs");
             }
         }
     }