diff --git a/src/bpm_detector/cli.py b/src/bpm_detector/cli.py
index 0cb44a9..8e11894 100644
--- a/src/bpm_detector/cli.py
+++ b/src/bpm_detector/cli.py
@@ -321,8 +321,13 @@ def smart_progress_callback(progress: float, message: str = ""):
         bar = progress_bar(info.frames, args.sr) if args.progress else None
 
         def progress_callback(increment: int) -> None:
+            """Update progress bar to reflect absolute progress percentage."""
             if bar:
-                bar.update(increment)
+                # ``increment`` represents the current percentage completed,
+                # so set ``bar.n`` directly and refresh to synchronize the
+                # visual bar with the provided value.
+                bar.n = increment
+                bar.refresh()
 
         try:
             results = analyzer.analyze_file(