diff --git a/libdd-ffe-ffi/build.rs b/libdd-ffe-ffi/build.rs
index fb56da2020..fc271ffba2 100644
--- a/libdd-ffe-ffi/build.rs
+++ b/libdd-ffe-ffi/build.rs
@@ -5,7 +5,7 @@ extern crate build_common;
 use build_common::generate_and_configure_header;
 
 fn main() {
-    println!("cargo:rerun-if-changed=src/*");
+    println!("cargo:rerun-if-changed=src");
     println!("cargo:rerun-if-changed=cbindgen.toml");
     println!("cargo:rerun-if-changed=build.rs");
     let header_name = "ffe.h";
diff --git a/libdd-profiling-heap-gotter-ffi/build.rs b/libdd-profiling-heap-gotter-ffi/build.rs
index 1e18695653..eb4e5a6cba 100644
--- a/libdd-profiling-heap-gotter-ffi/build.rs
+++ b/libdd-profiling-heap-gotter-ffi/build.rs
@@ -9,7 +9,7 @@ extern crate build_common;
 use build_common::generate_and_configure_header;
 
 fn main() {
-    println!("cargo:rerun-if-changed=src/*");
+    println!("cargo:rerun-if-changed=src");
     println!("cargo:rerun-if-changed=cbindgen.toml");
     println!("cargo:rerun-if-changed=build.rs");
     generate_and_configure_header("heap_gotter.h");
diff --git a/libdd-trace-protobuf/build.rs b/libdd-trace-protobuf/build.rs
index 868600a91f..a45564f15e 100644
--- a/libdd-trace-protobuf/build.rs
+++ b/libdd-trace-protobuf/build.rs
@@ -10,6 +10,7 @@ use {
 
 // to re-generate protobuf structs, run cargo build --features generate-protobuf
 fn main() -> Result<()> {
+    println!("cargo:rerun-if-changed=build.rs");
     #[cfg(feature = "generate-protobuf")]
     {
         // protoc is required to compile proto files. This uses protobuf_src to compile protoc
@@ -19,10 +20,6 @@ fn main() -> Result<()> {
         // compiles the .proto files into rust structs
         generate_protobuf();
     }
-    #[cfg(not(feature = "generate-protobuf"))]
-    {
-        println!("cargo:rerun-if-changed=build.rs");
-    }
 
     Ok(())
 }
@@ -354,6 +351,7 @@ fn generate_protobuf() {
 
     config.include_file("_includes.rs");
 
+    println!("cargo:rerun-if-changed=src/pb");
     config
         .compile_protos(
             &[