diff --git a/v2/crates/wifi-densepose-sensing-server/src/rvf_container.rs b/v2/crates/wifi-densepose-sensing-server/src/rvf_container.rs
index 78e251bd..e3d4d29a 100644
--- a/v2/crates/wifi-densepose-sensing-server/src/rvf_container.rs
+++ b/v2/crates/wifi-densepose-sensing-server/src/rvf_container.rs
@@ -894,7 +894,7 @@ mod tests {
 
     #[test]
     fn file_round_trip() {
-        let dir = std::env::temp_dir().join("rvf_test");
+        let dir = std::env::temp_dir().join(format!("rvf_test_{}", std::process::id()));
         std::fs::create_dir_all(&dir).unwrap();
         let path = dir.join("test_model.rvf");
 
diff --git a/v2/crates/wifi-densepose-sensing-server/src/rvf_pipeline.rs b/v2/crates/wifi-densepose-sensing-server/src/rvf_pipeline.rs
index 5c0c3f7c..55b40220 100644
--- a/v2/crates/wifi-densepose-sensing-server/src/rvf_pipeline.rs
+++ b/v2/crates/wifi-densepose-sensing-server/src/rvf_pipeline.rs
@@ -1002,7 +1002,7 @@ mod tests {
 
     #[test]
     fn rvf_model_file_round_trip() {
-        let dir = std::env::temp_dir().join("rvf_pipeline_test");
+        let dir = std::env::temp_dir().join(format!("rvf_pipeline_test_{}", std::process::id()));
         std::fs::create_dir_all(&dir).unwrap();
         let path = dir.join("pipeline_model.rvf");
 
diff --git a/v2/crates/wifi-densepose-sensing-server/src/trainer.rs b/v2/crates/wifi-densepose-sensing-server/src/trainer.rs
index b77fe674..66588563 100644
--- a/v2/crates/wifi-densepose-sensing-server/src/trainer.rs
+++ b/v2/crates/wifi-densepose-sensing-server/src/trainer.rs
@@ -1318,7 +1318,7 @@ mod tests {
         let mut t = Trainer::new(TrainerConfig::default());
         t.train_epoch(&[sample()]);
         let ckpt = t.checkpoint();
-        let dir = std::env::temp_dir().join("trainer_ckpt_test");
+        let dir = std::env::temp_dir().join(format!("trainer_ckpt_test_{}", std::process::id()));
         std::fs::create_dir_all(&dir).unwrap();
         let path = dir.join("ckpt.json");
         ckpt.save_to_file(&path).unwrap();