diff --git a/torch-sys/build.rs b/torch-sys/build.rs
index d7aff1fd..d91b750b 100644
--- a/torch-sys/build.rs
+++ b/torch-sys/build.rs
@@ -403,6 +403,7 @@ impl SystemInfo {
                     .pic(true)
                     .warnings(false)
                     .includes(&self.libtorch_include_dirs)
+                    .flag("-std=c++17")
                     .files(&c_files)
                     .compile("tch");
             }