diff --git a/src/whisper_vad.rs b/src/whisper_vad.rs
index 58a8122..5bbab29 100644
--- a/src/whisper_vad.rs
+++ b/src/whisper_vad.rs
@@ -141,6 +141,8 @@ impl WhisperVadContextParams {
 pub struct WhisperVadContext {
     ptr: *mut whisper_vad_context,
 }
+unsafe impl Send for WhisperVadContext {}
+unsafe impl Sync for WhisperVadContext {}
 
 impl WhisperVadContext {
     pub fn new(model_path: &str, params: WhisperVadContextParams) -> Result<Self, WhisperError> {